Merge "Upgrade rust/crates/syn to 1.0.40" am: 8e5f574385 am: 8765c5d726 am: 8bf7812b3d am: ffaa2679de

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/syn/+/1422383

Change-Id: Iaa3ac2bc5c02a7182c70d82dc68af1960ff75aeb

39 files changed, 10162 insertions, 1198 deletions

diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 9bf65247..cf4bf5f3 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "81cabc50a95b9c5837b2d1b7b5ee107721d9eb49"
+    "sha1": "b66b940dbb15baa435a843d005221d87baca4cb4"
   }
 }
diff --git a/Cargo.toml b/Cargo.toml
index 8dce27e9..20277fc4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "syn"
-version = "1.0.38"
+version = "1.0.40"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 include = ["/benches/**", "/build.rs", "/Cargo.toml", "/LICENSE-APACHE", "/LICENSE-MIT", "/README.md", "/src/**", "/tests/**"]
 description = "Parser for Rust source code"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index c781560d..c61c5562 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "syn"
-version = "1.0.38" # don't forget to update html_root_url and syn.json
+version = "1.0.40" # don't forget to update html_root_url and syn.json
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "Parser for Rust source code"
diff --git a/METADATA b/METADATA
index b838b040..3810dc69 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@ third_party {
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/syn/syn-1.0.38.crate"
+    value: "https://static.crates.io/crates/syn/syn-1.0.40.crate"
   }
-  version: "1.0.38"
+  version: "1.0.40"
   license_type: NOTICE
   last_upgrade_date {
     year: 2020
-    month: 8
-    day: 4
+    month: 9
+    day: 8
   }
 }
diff --git a/benches/rust.rs b/benches/rust.rs
index ba9a3d4c..50e1a7f6 100644
--- a/benches/rust.rs
+++ b/benches/rust.rs
@@ -36,7 +36,6 @@ mod syn_parse {
 
 #[cfg(not(syn_only))]
 mod librustc_parse {
-    extern crate rustc_ast;
     extern crate rustc_data_structures;
     extern crate rustc_errors;
     extern crate rustc_parse;
@@ -59,7 +58,7 @@ mod librustc_parse {
             }
         }
 
-        rustc_ast::with_session_globals(Edition::Edition2018, || {
+        rustc_span::with_session_globals(Edition::Edition2018, || {
             let cm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
             let emitter = Box::new(SilentEmitter);
             let handler = Handler::with_emitter(false, None, emitter);
diff --git a/src/attr.rs b/src/attr.rs
index 2a4bced1..fa4f1cb2 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -9,10 +9,6 @@ use proc_macro2::TokenStream;
 use crate::parse::{Parse, ParseBuffer, ParseStream, Parser, Result};
 #[cfg(feature = "parsing")]
 use crate::punctuated::Pair;
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
-#[cfg(feature = "extra-traits")]
-use std::hash::{Hash, Hasher};
 
 ast_struct! {
     /// An attribute like `#[repr(transparent)]`.
@@ -139,8 +135,10 @@ ast_struct! {
     /// let attr: ItemMod = parse_quote! {
     ///     #[doc = r" Single line doc comments"]
     ///     #[doc = r" We write so many!"]
-    ///     #[doc = r" Multi-line comments...
-    ///  May span many lines"]
+    ///     #[doc = r"
+    ///      * Multi-line comments...
+    ///      * May span many lines
+    ///      "]
     ///     mod example {
     ///         #![doc = r" Of course, they can be inner too"]
     ///         #![doc = r" And fit in a single line "]
@@ -148,7 +146,7 @@ ast_struct! {
     /// };
     /// assert_eq!(doc, attr);
     /// ```
-    pub struct Attribute #manual_extra_traits {
+    pub struct Attribute {
         pub pound_token: Token![#],
         pub style: AttrStyle,
         pub bracket_token: token::Bracket,
@@ -157,34 +155,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Attribute {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Attribute {
-    fn eq(&self, other: &Self) -> bool {
-        self.style == other.style
-            && self.pound_token == other.pound_token
-            && self.bracket_token == other.bracket_token
-            && self.path == other.path
-            && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Attribute {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        self.style.hash(state);
-        self.pound_token.hash(state);
-        self.bracket_token.hash(state);
-        self.path.hash(state);
-        TokenStreamHelper(&self.tokens).hash(state);
-    }
-}
-
 impl Attribute {
     /// Parses the content of the attribute, consisting of the path and tokens,
     /// as a [`Meta`] if possible.
@@ -353,7 +323,6 @@ ast_enum! {
     /// - `#![feature(proc_macro)]`
     /// - `//! # Example`
     /// - `/*! Please file an issue */`
-    #[cfg_attr(feature = "clone-impls", derive(Copy))]
     pub enum AttrStyle {
         Outer,
         Inner(Token![!]),
diff --git a/src/buffer.rs b/src/buffer.rs
index 00aaa7de..a461cc49 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -134,7 +134,6 @@ impl TokenBuffer {
 /// stream, and have the same scope.
 ///
 /// *This type is available only if Syn is built with the `"parsing"` feature.*
-#[derive(Copy, Clone, Eq, PartialEq)]
 pub struct Cursor<'a> {
     // The current entry which the `Cursor` is pointing at.
     ptr: *const Entry,
@@ -365,6 +364,24 @@ impl<'a> Cursor<'a> {
     }
 }
 
+impl<'a> Copy for Cursor<'a> {}
+
+impl<'a> Clone for Cursor<'a> {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+
+impl<'a> Eq for Cursor<'a> {}
+
+impl<'a> PartialEq for Cursor<'a> {
+    fn eq(&self, other: &Self) -> bool {
+        let Cursor { ptr, scope, marker } = self;
+        let _ = marker;
+        *ptr == other.ptr && *scope == other.scope
+    }
+}
+
 pub(crate) fn same_scope(a: Cursor, b: Cursor) -> bool {
     a.scope == b.scope
 }
diff --git a/src/error.rs b/src/error.rs
index d155f984..dba34f92 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -81,7 +81,6 @@ pub type Result<T> = std::result::Result<T, Error>;
 /// #     }
 /// # }
 /// ```
-#[derive(Clone)]
 pub struct Error {
     messages: Vec<ErrorMessage>,
 }
@@ -288,6 +287,14 @@ impl Display for Error {
     }
 }
 
+impl Clone for Error {
+    fn clone(&self) -> Self {
+        Error {
+            messages: self.messages.clone(),
+        }
+    }
+}
+
 impl Clone for ErrorMessage {
     fn clone(&self) -> Self {
         let start = self
diff --git a/src/expr.rs b/src/expr.rs
index 55a49058..2fe0e0b5 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -1,7 +1,7 @@
 use super::*;
 use crate::punctuated::Punctuated;
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
+#[cfg(feature = "full")]
+use crate::reserved::Reserved;
 use proc_macro2::{Span, TokenStream};
 #[cfg(feature = "printing")]
 use quote::IdentFragment;
@@ -86,7 +86,7 @@ ast_enum_of_structs! {
     /// A sign that you may not be choosing the right variable names is if you
     /// see names getting repeated in your code, like accessing
     /// `receiver.receiver` or `pat.pat` or `cond.cond`.
-    pub enum Expr #manual_extra_traits {
+    pub enum Expr {
         /// A slice literal expression: `[a, b, c, d]`.
         Array(ExprArray),
 
@@ -720,232 +720,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Expr {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Expr {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Expr::Array(this), Expr::Array(other)) => this == other,
-            (Expr::Assign(this), Expr::Assign(other)) => this == other,
-            (Expr::AssignOp(this), Expr::AssignOp(other)) => this == other,
-            (Expr::Async(this), Expr::Async(other)) => this == other,
-            (Expr::Await(this), Expr::Await(other)) => this == other,
-            (Expr::Binary(this), Expr::Binary(other)) => this == other,
-            (Expr::Block(this), Expr::Block(other)) => this == other,
-            (Expr::Box(this), Expr::Box(other)) => this == other,
-            (Expr::Break(this), Expr::Break(other)) => this == other,
-            (Expr::Call(this), Expr::Call(other)) => this == other,
-            (Expr::Cast(this), Expr::Cast(other)) => this == other,
-            (Expr::Closure(this), Expr::Closure(other)) => this == other,
-            (Expr::Continue(this), Expr::Continue(other)) => this == other,
-            (Expr::Field(this), Expr::Field(other)) => this == other,
-            (Expr::ForLoop(this), Expr::ForLoop(other)) => this == other,
-            (Expr::Group(this), Expr::Group(other)) => this == other,
-            (Expr::If(this), Expr::If(other)) => this == other,
-            (Expr::Index(this), Expr::Index(other)) => this == other,
-            (Expr::Let(this), Expr::Let(other)) => this == other,
-            (Expr::Lit(this), Expr::Lit(other)) => this == other,
-            (Expr::Loop(this), Expr::Loop(other)) => this == other,
-            (Expr::Macro(this), Expr::Macro(other)) => this == other,
-            (Expr::Match(this), Expr::Match(other)) => this == other,
-            (Expr::MethodCall(this), Expr::MethodCall(other)) => this == other,
-            (Expr::Paren(this), Expr::Paren(other)) => this == other,
-            (Expr::Path(this), Expr::Path(other)) => this == other,
-            (Expr::Range(this), Expr::Range(other)) => this == other,
-            (Expr::Reference(this), Expr::Reference(other)) => this == other,
-            (Expr::Repeat(this), Expr::Repeat(other)) => this == other,
-            (Expr::Return(this), Expr::Return(other)) => this == other,
-            (Expr::Struct(this), Expr::Struct(other)) => this == other,
-            (Expr::Try(this), Expr::Try(other)) => this == other,
-            (Expr::TryBlock(this), Expr::TryBlock(other)) => this == other,
-            (Expr::Tuple(this), Expr::Tuple(other)) => this == other,
-            (Expr::Type(this), Expr::Type(other)) => this == other,
-            (Expr::Unary(this), Expr::Unary(other)) => this == other,
-            (Expr::Unsafe(this), Expr::Unsafe(other)) => this == other,
-            (Expr::Verbatim(this), Expr::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            (Expr::While(this), Expr::While(other)) => this == other,
-            (Expr::Yield(this), Expr::Yield(other)) => this == other,
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Expr {
-    fn hash<H>(&self, hash: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            Expr::Array(expr) => {
-                hash.write_u8(0);
-                expr.hash(hash);
-            }
-            Expr::Assign(expr) => {
-                hash.write_u8(1);
-                expr.hash(hash);
-            }
-            Expr::AssignOp(expr) => {
-                hash.write_u8(2);
-                expr.hash(hash);
-            }
-            Expr::Async(expr) => {
-                hash.write_u8(3);
-                expr.hash(hash);
-            }
-            Expr::Await(expr) => {
-                hash.write_u8(4);
-                expr.hash(hash);
-            }
-            Expr::Binary(expr) => {
-                hash.write_u8(5);
-                expr.hash(hash);
-            }
-            Expr::Block(expr) => {
-                hash.write_u8(6);
-                expr.hash(hash);
-            }
-            Expr::Box(expr) => {
-                hash.write_u8(7);
-                expr.hash(hash);
-            }
-            Expr::Break(expr) => {
-                hash.write_u8(8);
-                expr.hash(hash);
-            }
-            Expr::Call(expr) => {
-                hash.write_u8(9);
-                expr.hash(hash);
-            }
-            Expr::Cast(expr) => {
-                hash.write_u8(10);
-                expr.hash(hash);
-            }
-            Expr::Closure(expr) => {
-                hash.write_u8(11);
-                expr.hash(hash);
-            }
-            Expr::Continue(expr) => {
-                hash.write_u8(12);
-                expr.hash(hash);
-            }
-            Expr::Field(expr) => {
-                hash.write_u8(13);
-                expr.hash(hash);
-            }
-            Expr::ForLoop(expr) => {
-                hash.write_u8(14);
-                expr.hash(hash);
-            }
-            Expr::Group(expr) => {
-                hash.write_u8(15);
-                expr.hash(hash);
-            }
-            Expr::If(expr) => {
-                hash.write_u8(16);
-                expr.hash(hash);
-            }
-            Expr::Index(expr) => {
-                hash.write_u8(17);
-                expr.hash(hash);
-            }
-            Expr::Let(expr) => {
-                hash.write_u8(18);
-                expr.hash(hash);
-            }
-            Expr::Lit(expr) => {
-                hash.write_u8(19);
-                expr.hash(hash);
-            }
-            Expr::Loop(expr) => {
-                hash.write_u8(20);
-                expr.hash(hash);
-            }
-            Expr::Macro(expr) => {
-                hash.write_u8(21);
-                expr.hash(hash);
-            }
-            Expr::Match(expr) => {
-                hash.write_u8(22);
-                expr.hash(hash);
-            }
-            Expr::MethodCall(expr) => {
-                hash.write_u8(23);
-                expr.hash(hash);
-            }
-            Expr::Paren(expr) => {
-                hash.write_u8(24);
-                expr.hash(hash);
-            }
-            Expr::Path(expr) => {
-                hash.write_u8(25);
-                expr.hash(hash);
-            }
-            Expr::Range(expr) => {
-                hash.write_u8(26);
-                expr.hash(hash);
-            }
-            Expr::Reference(expr) => {
-                hash.write_u8(27);
-                expr.hash(hash);
-            }
-            Expr::Repeat(expr) => {
-                hash.write_u8(28);
-                expr.hash(hash);
-            }
-            Expr::Return(expr) => {
-                hash.write_u8(29);
-                expr.hash(hash);
-            }
-            Expr::Struct(expr) => {
-                hash.write_u8(30);
-                expr.hash(hash);
-            }
-            Expr::Try(expr) => {
-                hash.write_u8(31);
-                expr.hash(hash);
-            }
-            Expr::TryBlock(expr) => {
-                hash.write_u8(32);
-                expr.hash(hash);
-            }
-            Expr::Tuple(expr) => {
-                hash.write_u8(33);
-                expr.hash(hash);
-            }
-            Expr::Type(expr) => {
-                hash.write_u8(34);
-                expr.hash(hash);
-            }
-            Expr::Unary(expr) => {
-                hash.write_u8(35);
-                expr.hash(hash);
-            }
-            Expr::Unsafe(expr) => {
-                hash.write_u8(36);
-                expr.hash(hash);
-            }
-            Expr::Verbatim(expr) => {
-                hash.write_u8(37);
-                TokenStreamHelper(expr).hash(hash);
-            }
-            Expr::While(expr) => {
-                hash.write_u8(38);
-                expr.hash(hash);
-            }
-            Expr::Yield(expr) => {
-                hash.write_u8(39);
-                expr.hash(hash);
-            }
-            Expr::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 impl Expr {
     #[cfg(all(feature = "parsing", feature = "full"))]
     pub(crate) fn replace_attrs(&mut self, new: Vec<Attribute>) -> Vec<Attribute> {
@@ -1001,8 +775,7 @@ ast_enum! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[derive(Eq, PartialEq, Hash)]
-    pub enum Member #manual_extra_traits {
+    pub enum Member {
         /// A named field like `self.x`.
         Named(Ident),
         /// An unnamed field like `self.0`.
@@ -1010,6 +783,27 @@ ast_enum! {
     }
 }
 
+impl Eq for Member {}
+
+impl PartialEq for Member {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Member::Named(this), Member::Named(other)) => this == other,
+            (Member::Unnamed(this), Member::Unnamed(other)) => this == other,
+            _ => false,
+        }
+    }
+}
+
+impl Hash for Member {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        match self {
+            Member::Named(m) => m.hash(state),
+            Member::Unnamed(m) => m.hash(state),
+        }
+    }
+}
+
 #[cfg(feature = "printing")]
 impl IdentFragment for Member {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
@@ -1032,7 +826,7 @@ ast_struct! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    pub struct Index #manual_extra_traits {
+    pub struct Index {
         pub index: u32,
         pub span: Span,
     }
@@ -1075,14 +869,6 @@ impl IdentFragment for Index {
 
 #[cfg(feature = "full")]
 ast_struct! {
-    #[derive(Default)]
-    pub struct Reserved {
-        _private: (),
-    }
-}
-
-#[cfg(feature = "full")]
-ast_struct! {
     /// The `::<>` explicit type parameters passed to a method call:
     /// `parse::<u64>()`.
     ///
@@ -1179,7 +965,6 @@ ast_enum! {
     /// Limit types of a range, inclusive or exclusive.
     ///
     /// *This type is available only if Syn is built with the `"full"` feature.*
-    #[cfg_attr(feature = "clone-impls", derive(Copy))]
     pub enum RangeLimits {
         /// Inclusive at the beginning, exclusive at the end.
         HalfOpen(Token![..]),
@@ -1212,6 +997,7 @@ pub(crate) mod parsing {
 
     use crate::parse::{Parse, ParseStream, Result};
     use crate::path;
+    use std::cmp::Ordering;
 
     crate::custom_keyword!(raw);
 
@@ -1220,10 +1006,8 @@ pub(crate) mod parsing {
     //
     // Struct literals are ambiguous in certain positions
     // https://github.com/rust-lang/rfcs/pull/92
-    #[derive(Copy, Clone)]
     pub struct AllowStruct(bool);
 
-    #[derive(Copy, Clone, PartialEq, PartialOrd)]
     enum Precedence {
         Any,
         Assign,
@@ -1364,6 +1148,36 @@ pub(crate) mod parsing {
         }
     }
 
+    impl Copy for AllowStruct {}
+
+    impl Clone for AllowStruct {
+        fn clone(&self) -> Self {
+            *self
+        }
+    }
+
+    impl Copy for Precedence {}
+
+    impl Clone for Precedence {
+        fn clone(&self) -> Self {
+            *self
+        }
+    }
+
+    impl PartialEq for Precedence {
+        fn eq(&self, other: &Self) -> bool {
+            *self as u8 == *other as u8
+        }
+    }
+
+    impl PartialOrd for Precedence {
+        fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+            let this = *self as u8;
+            let other = *other as u8;
+            Some(this.cmp(&other))
+        }
+    }
+
     #[cfg(feature = "full")]
     fn parse_expr(
         input: ParseStream,
diff --git a/src/ext.rs b/src/ext.rs
index b58baaaf..4f9bc145 100644
--- a/src/ext.rs
+++ b/src/ext.rs
@@ -129,7 +129,13 @@ mod private {
 
     impl Sealed for Ident {}
 
-    #[derive(Copy, Clone)]
     pub struct PeekFn;
     pub struct IdentAny;
+
+    impl Copy for PeekFn {}
+    impl Clone for PeekFn {
+        fn clone(&self) -> Self {
+            *self
+        }
+    }
 }
diff --git a/src/gen/clone.rs b/src/gen/clone.rs
new file mode 100644
index 00000000..bea38870
--- /dev/null
+++ b/src/gen/clone.rs
@@ -0,0 +1,2051 @@
+// This file is @generated by syn-internal-codegen.
+// It is not intended for manual editing.
+
+#![allow(clippy::clone_on_copy, clippy::expl_impl_clone_on_copy)]
+use crate::*;
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Abi {
+    fn clone(&self) -> Self {
+        Abi {
+            extern_token: self.extern_token.clone(),
+            name: self.name.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for AngleBracketedGenericArguments {
+    fn clone(&self) -> Self {
+        AngleBracketedGenericArguments {
+            colon2_token: self.colon2_token.clone(),
+            lt_token: self.lt_token.clone(),
+            args: self.args.clone(),
+            gt_token: self.gt_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Arm {
+    fn clone(&self) -> Self {
+        Arm {
+            attrs: self.attrs.clone(),
+            pat: self.pat.clone(),
+            guard: self.guard.clone(),
+            fat_arrow_token: self.fat_arrow_token.clone(),
+            body: self.body.clone(),
+            comma: self.comma.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Copy for AttrStyle {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for AttrStyle {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Attribute {
+    fn clone(&self) -> Self {
+        Attribute {
+            pound_token: self.pound_token.clone(),
+            style: self.style.clone(),
+            bracket_token: self.bracket_token.clone(),
+            path: self.path.clone(),
+            tokens: self.tokens.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for BareFnArg {
+    fn clone(&self) -> Self {
+        BareFnArg {
+            attrs: self.attrs.clone(),
+            name: self.name.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Copy for BinOp {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for BinOp {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Binding {
+    fn clone(&self) -> Self {
+        Binding {
+            ident: self.ident.clone(),
+            eq_token: self.eq_token.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Block {
+    fn clone(&self) -> Self {
+        Block {
+            brace_token: self.brace_token.clone(),
+            stmts: self.stmts.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for BoundLifetimes {
+    fn clone(&self) -> Self {
+        BoundLifetimes {
+            for_token: self.for_token.clone(),
+            lt_token: self.lt_token.clone(),
+            lifetimes: self.lifetimes.clone(),
+            gt_token: self.gt_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ConstParam {
+    fn clone(&self) -> Self {
+        ConstParam {
+            attrs: self.attrs.clone(),
+            const_token: self.const_token.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            eq_token: self.eq_token.clone(),
+            default: self.default.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Constraint {
+    fn clone(&self) -> Self {
+        Constraint {
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Clone for Data {
+    fn clone(&self) -> Self {
+        match self {
+            Data::Struct(v0) => Data::Struct(v0.clone()),
+            Data::Enum(v0) => Data::Enum(v0.clone()),
+            Data::Union(v0) => Data::Union(v0.clone()),
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Clone for DataEnum {
+    fn clone(&self) -> Self {
+        DataEnum {
+            enum_token: self.enum_token.clone(),
+            brace_token: self.brace_token.clone(),
+            variants: self.variants.clone(),
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Clone for DataStruct {
+    fn clone(&self) -> Self {
+        DataStruct {
+            struct_token: self.struct_token.clone(),
+            fields: self.fields.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Clone for DataUnion {
+    fn clone(&self) -> Self {
+        DataUnion {
+            union_token: self.union_token.clone(),
+            fields: self.fields.clone(),
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Clone for DeriveInput {
+    fn clone(&self) -> Self {
+        DeriveInput {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            data: self.data.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Expr {
+    fn clone(&self) -> Self {
+        match self {
+            #[cfg(feature = "full")]
+            Expr::Array(v0) => Expr::Array(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Assign(v0) => Expr::Assign(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::AssignOp(v0) => Expr::AssignOp(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Async(v0) => Expr::Async(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Await(v0) => Expr::Await(v0.clone()),
+            Expr::Binary(v0) => Expr::Binary(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Block(v0) => Expr::Block(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Box(v0) => Expr::Box(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Break(v0) => Expr::Break(v0.clone()),
+            Expr::Call(v0) => Expr::Call(v0.clone()),
+            Expr::Cast(v0) => Expr::Cast(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Closure(v0) => Expr::Closure(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Continue(v0) => Expr::Continue(v0.clone()),
+            Expr::Field(v0) => Expr::Field(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::ForLoop(v0) => Expr::ForLoop(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Group(v0) => Expr::Group(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::If(v0) => Expr::If(v0.clone()),
+            Expr::Index(v0) => Expr::Index(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Let(v0) => Expr::Let(v0.clone()),
+            Expr::Lit(v0) => Expr::Lit(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Loop(v0) => Expr::Loop(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Macro(v0) => Expr::Macro(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Match(v0) => Expr::Match(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::MethodCall(v0) => Expr::MethodCall(v0.clone()),
+            Expr::Paren(v0) => Expr::Paren(v0.clone()),
+            Expr::Path(v0) => Expr::Path(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Range(v0) => Expr::Range(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Reference(v0) => Expr::Reference(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Repeat(v0) => Expr::Repeat(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Return(v0) => Expr::Return(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Struct(v0) => Expr::Struct(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Try(v0) => Expr::Try(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::TryBlock(v0) => Expr::TryBlock(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Tuple(v0) => Expr::Tuple(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Type(v0) => Expr::Type(v0.clone()),
+            Expr::Unary(v0) => Expr::Unary(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Unsafe(v0) => Expr::Unsafe(v0.clone()),
+            Expr::Verbatim(v0) => Expr::Verbatim(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::While(v0) => Expr::While(v0.clone()),
+            #[cfg(feature = "full")]
+            Expr::Yield(v0) => Expr::Yield(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprArray {
+    fn clone(&self) -> Self {
+        ExprArray {
+            attrs: self.attrs.clone(),
+            bracket_token: self.bracket_token.clone(),
+            elems: self.elems.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprAssign {
+    fn clone(&self) -> Self {
+        ExprAssign {
+            attrs: self.attrs.clone(),
+            left: self.left.clone(),
+            eq_token: self.eq_token.clone(),
+            right: self.right.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprAssignOp {
+    fn clone(&self) -> Self {
+        ExprAssignOp {
+            attrs: self.attrs.clone(),
+            left: self.left.clone(),
+            op: self.op.clone(),
+            right: self.right.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprAsync {
+    fn clone(&self) -> Self {
+        ExprAsync {
+            attrs: self.attrs.clone(),
+            async_token: self.async_token.clone(),
+            capture: self.capture.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprAwait {
+    fn clone(&self) -> Self {
+        ExprAwait {
+            attrs: self.attrs.clone(),
+            base: self.base.clone(),
+            dot_token: self.dot_token.clone(),
+            await_token: self.await_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprBinary {
+    fn clone(&self) -> Self {
+        ExprBinary {
+            attrs: self.attrs.clone(),
+            left: self.left.clone(),
+            op: self.op.clone(),
+            right: self.right.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprBlock {
+    fn clone(&self) -> Self {
+        ExprBlock {
+            attrs: self.attrs.clone(),
+            label: self.label.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprBox {
+    fn clone(&self) -> Self {
+        ExprBox {
+            attrs: self.attrs.clone(),
+            box_token: self.box_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprBreak {
+    fn clone(&self) -> Self {
+        ExprBreak {
+            attrs: self.attrs.clone(),
+            break_token: self.break_token.clone(),
+            label: self.label.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprCall {
+    fn clone(&self) -> Self {
+        ExprCall {
+            attrs: self.attrs.clone(),
+            func: self.func.clone(),
+            paren_token: self.paren_token.clone(),
+            args: self.args.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprCast {
+    fn clone(&self) -> Self {
+        ExprCast {
+            attrs: self.attrs.clone(),
+            expr: self.expr.clone(),
+            as_token: self.as_token.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprClosure {
+    fn clone(&self) -> Self {
+        ExprClosure {
+            attrs: self.attrs.clone(),
+            asyncness: self.asyncness.clone(),
+            movability: self.movability.clone(),
+            capture: self.capture.clone(),
+            or1_token: self.or1_token.clone(),
+            inputs: self.inputs.clone(),
+            or2_token: self.or2_token.clone(),
+            output: self.output.clone(),
+            body: self.body.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprContinue {
+    fn clone(&self) -> Self {
+        ExprContinue {
+            attrs: self.attrs.clone(),
+            continue_token: self.continue_token.clone(),
+            label: self.label.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprField {
+    fn clone(&self) -> Self {
+        ExprField {
+            attrs: self.attrs.clone(),
+            base: self.base.clone(),
+            dot_token: self.dot_token.clone(),
+            member: self.member.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprForLoop {
+    fn clone(&self) -> Self {
+        ExprForLoop {
+            attrs: self.attrs.clone(),
+            label: self.label.clone(),
+            for_token: self.for_token.clone(),
+            pat: self.pat.clone(),
+            in_token: self.in_token.clone(),
+            expr: self.expr.clone(),
+            body: self.body.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprGroup {
+    fn clone(&self) -> Self {
+        ExprGroup {
+            attrs: self.attrs.clone(),
+            group_token: self.group_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprIf {
+    fn clone(&self) -> Self {
+        ExprIf {
+            attrs: self.attrs.clone(),
+            if_token: self.if_token.clone(),
+            cond: self.cond.clone(),
+            then_branch: self.then_branch.clone(),
+            else_branch: self.else_branch.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprIndex {
+    fn clone(&self) -> Self {
+        ExprIndex {
+            attrs: self.attrs.clone(),
+            expr: self.expr.clone(),
+            bracket_token: self.bracket_token.clone(),
+            index: self.index.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprLet {
+    fn clone(&self) -> Self {
+        ExprLet {
+            attrs: self.attrs.clone(),
+            let_token: self.let_token.clone(),
+            pat: self.pat.clone(),
+            eq_token: self.eq_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprLit {
+    fn clone(&self) -> Self {
+        ExprLit {
+            attrs: self.attrs.clone(),
+            lit: self.lit.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprLoop {
+    fn clone(&self) -> Self {
+        ExprLoop {
+            attrs: self.attrs.clone(),
+            label: self.label.clone(),
+            loop_token: self.loop_token.clone(),
+            body: self.body.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprMacro {
+    fn clone(&self) -> Self {
+        ExprMacro {
+            attrs: self.attrs.clone(),
+            mac: self.mac.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprMatch {
+    fn clone(&self) -> Self {
+        ExprMatch {
+            attrs: self.attrs.clone(),
+            match_token: self.match_token.clone(),
+            expr: self.expr.clone(),
+            brace_token: self.brace_token.clone(),
+            arms: self.arms.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprMethodCall {
+    fn clone(&self) -> Self {
+        ExprMethodCall {
+            attrs: self.attrs.clone(),
+            receiver: self.receiver.clone(),
+            dot_token: self.dot_token.clone(),
+            method: self.method.clone(),
+            turbofish: self.turbofish.clone(),
+            paren_token: self.paren_token.clone(),
+            args: self.args.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprParen {
+    fn clone(&self) -> Self {
+        ExprParen {
+            attrs: self.attrs.clone(),
+            paren_token: self.paren_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprPath {
+    fn clone(&self) -> Self {
+        ExprPath {
+            attrs: self.attrs.clone(),
+            qself: self.qself.clone(),
+            path: self.path.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprRange {
+    fn clone(&self) -> Self {
+        ExprRange {
+            attrs: self.attrs.clone(),
+            from: self.from.clone(),
+            limits: self.limits.clone(),
+            to: self.to.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprReference {
+    fn clone(&self) -> Self {
+        ExprReference {
+            attrs: self.attrs.clone(),
+            and_token: self.and_token.clone(),
+            raw: self.raw.clone(),
+            mutability: self.mutability.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprRepeat {
+    fn clone(&self) -> Self {
+        ExprRepeat {
+            attrs: self.attrs.clone(),
+            bracket_token: self.bracket_token.clone(),
+            expr: self.expr.clone(),
+            semi_token: self.semi_token.clone(),
+            len: self.len.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprReturn {
+    fn clone(&self) -> Self {
+        ExprReturn {
+            attrs: self.attrs.clone(),
+            return_token: self.return_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprStruct {
+    fn clone(&self) -> Self {
+        ExprStruct {
+            attrs: self.attrs.clone(),
+            path: self.path.clone(),
+            brace_token: self.brace_token.clone(),
+            fields: self.fields.clone(),
+            dot2_token: self.dot2_token.clone(),
+            rest: self.rest.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprTry {
+    fn clone(&self) -> Self {
+        ExprTry {
+            attrs: self.attrs.clone(),
+            expr: self.expr.clone(),
+            question_token: self.question_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprTryBlock {
+    fn clone(&self) -> Self {
+        ExprTryBlock {
+            attrs: self.attrs.clone(),
+            try_token: self.try_token.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprTuple {
+    fn clone(&self) -> Self {
+        ExprTuple {
+            attrs: self.attrs.clone(),
+            paren_token: self.paren_token.clone(),
+            elems: self.elems.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprType {
+    fn clone(&self) -> Self {
+        ExprType {
+            attrs: self.attrs.clone(),
+            expr: self.expr.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ExprUnary {
+    fn clone(&self) -> Self {
+        ExprUnary {
+            attrs: self.attrs.clone(),
+            op: self.op.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprUnsafe {
+    fn clone(&self) -> Self {
+        ExprUnsafe {
+            attrs: self.attrs.clone(),
+            unsafe_token: self.unsafe_token.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprWhile {
+    fn clone(&self) -> Self {
+        ExprWhile {
+            attrs: self.attrs.clone(),
+            label: self.label.clone(),
+            while_token: self.while_token.clone(),
+            cond: self.cond.clone(),
+            body: self.body.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ExprYield {
+    fn clone(&self) -> Self {
+        ExprYield {
+            attrs: self.attrs.clone(),
+            yield_token: self.yield_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Field {
+    fn clone(&self) -> Self {
+        Field {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for FieldPat {
+    fn clone(&self) -> Self {
+        FieldPat {
+            attrs: self.attrs.clone(),
+            member: self.member.clone(),
+            colon_token: self.colon_token.clone(),
+            pat: self.pat.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for FieldValue {
+    fn clone(&self) -> Self {
+        FieldValue {
+            attrs: self.attrs.clone(),
+            member: self.member.clone(),
+            colon_token: self.colon_token.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Fields {
+    fn clone(&self) -> Self {
+        match self {
+            Fields::Named(v0) => Fields::Named(v0.clone()),
+            Fields::Unnamed(v0) => Fields::Unnamed(v0.clone()),
+            Fields::Unit => Fields::Unit,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for FieldsNamed {
+    fn clone(&self) -> Self {
+        FieldsNamed {
+            brace_token: self.brace_token.clone(),
+            named: self.named.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for FieldsUnnamed {
+    fn clone(&self) -> Self {
+        FieldsUnnamed {
+            paren_token: self.paren_token.clone(),
+            unnamed: self.unnamed.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for File {
+    fn clone(&self) -> Self {
+        File {
+            shebang: self.shebang.clone(),
+            attrs: self.attrs.clone(),
+            items: self.items.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for FnArg {
+    fn clone(&self) -> Self {
+        match self {
+            FnArg::Receiver(v0) => FnArg::Receiver(v0.clone()),
+            FnArg::Typed(v0) => FnArg::Typed(v0.clone()),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ForeignItem {
+    fn clone(&self) -> Self {
+        match self {
+            ForeignItem::Fn(v0) => ForeignItem::Fn(v0.clone()),
+            ForeignItem::Static(v0) => ForeignItem::Static(v0.clone()),
+            ForeignItem::Type(v0) => ForeignItem::Type(v0.clone()),
+            ForeignItem::Macro(v0) => ForeignItem::Macro(v0.clone()),
+            ForeignItem::Verbatim(v0) => ForeignItem::Verbatim(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ForeignItemFn {
+    fn clone(&self) -> Self {
+        ForeignItemFn {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            sig: self.sig.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ForeignItemMacro {
+    fn clone(&self) -> Self {
+        ForeignItemMacro {
+            attrs: self.attrs.clone(),
+            mac: self.mac.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ForeignItemStatic {
+    fn clone(&self) -> Self {
+        ForeignItemStatic {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            static_token: self.static_token.clone(),
+            mutability: self.mutability.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ForeignItemType {
+    fn clone(&self) -> Self {
+        ForeignItemType {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            type_token: self.type_token.clone(),
+            ident: self.ident.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for GenericArgument {
+    fn clone(&self) -> Self {
+        match self {
+            GenericArgument::Lifetime(v0) => GenericArgument::Lifetime(v0.clone()),
+            GenericArgument::Type(v0) => GenericArgument::Type(v0.clone()),
+            GenericArgument::Binding(v0) => GenericArgument::Binding(v0.clone()),
+            GenericArgument::Constraint(v0) => GenericArgument::Constraint(v0.clone()),
+            GenericArgument::Const(v0) => GenericArgument::Const(v0.clone()),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for GenericMethodArgument {
+    fn clone(&self) -> Self {
+        match self {
+            GenericMethodArgument::Type(v0) => GenericMethodArgument::Type(v0.clone()),
+            GenericMethodArgument::Const(v0) => GenericMethodArgument::Const(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for GenericParam {
+    fn clone(&self) -> Self {
+        match self {
+            GenericParam::Type(v0) => GenericParam::Type(v0.clone()),
+            GenericParam::Lifetime(v0) => GenericParam::Lifetime(v0.clone()),
+            GenericParam::Const(v0) => GenericParam::Const(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Generics {
+    fn clone(&self) -> Self {
+        Generics {
+            lt_token: self.lt_token.clone(),
+            params: self.params.clone(),
+            gt_token: self.gt_token.clone(),
+            where_clause: self.where_clause.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ImplItem {
+    fn clone(&self) -> Self {
+        match self {
+            ImplItem::Const(v0) => ImplItem::Const(v0.clone()),
+            ImplItem::Method(v0) => ImplItem::Method(v0.clone()),
+            ImplItem::Type(v0) => ImplItem::Type(v0.clone()),
+            ImplItem::Macro(v0) => ImplItem::Macro(v0.clone()),
+            ImplItem::Verbatim(v0) => ImplItem::Verbatim(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ImplItemConst {
+    fn clone(&self) -> Self {
+        ImplItemConst {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            defaultness: self.defaultness.clone(),
+            const_token: self.const_token.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            eq_token: self.eq_token.clone(),
+            expr: self.expr.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ImplItemMacro {
+    fn clone(&self) -> Self {
+        ImplItemMacro {
+            attrs: self.attrs.clone(),
+            mac: self.mac.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ImplItemMethod {
+    fn clone(&self) -> Self {
+        ImplItemMethod {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            defaultness: self.defaultness.clone(),
+            sig: self.sig.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ImplItemType {
+    fn clone(&self) -> Self {
+        ImplItemType {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            defaultness: self.defaultness.clone(),
+            type_token: self.type_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            eq_token: self.eq_token.clone(),
+            ty: self.ty.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Index {
+    fn clone(&self) -> Self {
+        Index {
+            index: self.index.clone(),
+            span: self.span.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Item {
+    fn clone(&self) -> Self {
+        match self {
+            Item::Const(v0) => Item::Const(v0.clone()),
+            Item::Enum(v0) => Item::Enum(v0.clone()),
+            Item::ExternCrate(v0) => Item::ExternCrate(v0.clone()),
+            Item::Fn(v0) => Item::Fn(v0.clone()),
+            Item::ForeignMod(v0) => Item::ForeignMod(v0.clone()),
+            Item::Impl(v0) => Item::Impl(v0.clone()),
+            Item::Macro(v0) => Item::Macro(v0.clone()),
+            Item::Macro2(v0) => Item::Macro2(v0.clone()),
+            Item::Mod(v0) => Item::Mod(v0.clone()),
+            Item::Static(v0) => Item::Static(v0.clone()),
+            Item::Struct(v0) => Item::Struct(v0.clone()),
+            Item::Trait(v0) => Item::Trait(v0.clone()),
+            Item::TraitAlias(v0) => Item::TraitAlias(v0.clone()),
+            Item::Type(v0) => Item::Type(v0.clone()),
+            Item::Union(v0) => Item::Union(v0.clone()),
+            Item::Use(v0) => Item::Use(v0.clone()),
+            Item::Verbatim(v0) => Item::Verbatim(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemConst {
+    fn clone(&self) -> Self {
+        ItemConst {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            const_token: self.const_token.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            eq_token: self.eq_token.clone(),
+            expr: self.expr.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemEnum {
+    fn clone(&self) -> Self {
+        ItemEnum {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            enum_token: self.enum_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            brace_token: self.brace_token.clone(),
+            variants: self.variants.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemExternCrate {
+    fn clone(&self) -> Self {
+        ItemExternCrate {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            extern_token: self.extern_token.clone(),
+            crate_token: self.crate_token.clone(),
+            ident: self.ident.clone(),
+            rename: self.rename.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemFn {
+    fn clone(&self) -> Self {
+        ItemFn {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            sig: self.sig.clone(),
+            block: self.block.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemForeignMod {
+    fn clone(&self) -> Self {
+        ItemForeignMod {
+            attrs: self.attrs.clone(),
+            abi: self.abi.clone(),
+            brace_token: self.brace_token.clone(),
+            items: self.items.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemImpl {
+    fn clone(&self) -> Self {
+        ItemImpl {
+            attrs: self.attrs.clone(),
+            defaultness: self.defaultness.clone(),
+            unsafety: self.unsafety.clone(),
+            impl_token: self.impl_token.clone(),
+            generics: self.generics.clone(),
+            trait_: self.trait_.clone(),
+            self_ty: self.self_ty.clone(),
+            brace_token: self.brace_token.clone(),
+            items: self.items.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemMacro {
+    fn clone(&self) -> Self {
+        ItemMacro {
+            attrs: self.attrs.clone(),
+            ident: self.ident.clone(),
+            mac: self.mac.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemMacro2 {
+    fn clone(&self) -> Self {
+        ItemMacro2 {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            macro_token: self.macro_token.clone(),
+            ident: self.ident.clone(),
+            rules: self.rules.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemMod {
+    fn clone(&self) -> Self {
+        ItemMod {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            mod_token: self.mod_token.clone(),
+            ident: self.ident.clone(),
+            content: self.content.clone(),
+            semi: self.semi.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemStatic {
+    fn clone(&self) -> Self {
+        ItemStatic {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            static_token: self.static_token.clone(),
+            mutability: self.mutability.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            eq_token: self.eq_token.clone(),
+            expr: self.expr.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemStruct {
+    fn clone(&self) -> Self {
+        ItemStruct {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            struct_token: self.struct_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            fields: self.fields.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemTrait {
+    fn clone(&self) -> Self {
+        ItemTrait {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            unsafety: self.unsafety.clone(),
+            auto_token: self.auto_token.clone(),
+            trait_token: self.trait_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            colon_token: self.colon_token.clone(),
+            supertraits: self.supertraits.clone(),
+            brace_token: self.brace_token.clone(),
+            items: self.items.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemTraitAlias {
+    fn clone(&self) -> Self {
+        ItemTraitAlias {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            trait_token: self.trait_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            eq_token: self.eq_token.clone(),
+            bounds: self.bounds.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemType {
+    fn clone(&self) -> Self {
+        ItemType {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            type_token: self.type_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            eq_token: self.eq_token.clone(),
+            ty: self.ty.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemUnion {
+    fn clone(&self) -> Self {
+        ItemUnion {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            union_token: self.union_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            fields: self.fields.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for ItemUse {
+    fn clone(&self) -> Self {
+        ItemUse {
+            attrs: self.attrs.clone(),
+            vis: self.vis.clone(),
+            use_token: self.use_token.clone(),
+            leading_colon: self.leading_colon.clone(),
+            tree: self.tree.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Label {
+    fn clone(&self) -> Self {
+        Label {
+            name: self.name.clone(),
+            colon_token: self.colon_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for LifetimeDef {
+    fn clone(&self) -> Self {
+        LifetimeDef {
+            attrs: self.attrs.clone(),
+            lifetime: self.lifetime.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+impl Clone for Lit {
+    fn clone(&self) -> Self {
+        match self {
+            Lit::Str(v0) => Lit::Str(v0.clone()),
+            Lit::ByteStr(v0) => Lit::ByteStr(v0.clone()),
+            Lit::Byte(v0) => Lit::Byte(v0.clone()),
+            Lit::Char(v0) => Lit::Char(v0.clone()),
+            Lit::Int(v0) => Lit::Int(v0.clone()),
+            Lit::Float(v0) => Lit::Float(v0.clone()),
+            Lit::Bool(v0) => Lit::Bool(v0.clone()),
+            Lit::Verbatim(v0) => Lit::Verbatim(v0.clone()),
+        }
+    }
+}
+impl Clone for LitBool {
+    fn clone(&self) -> Self {
+        LitBool {
+            value: self.value.clone(),
+            span: self.span.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Local {
+    fn clone(&self) -> Self {
+        Local {
+            attrs: self.attrs.clone(),
+            let_token: self.let_token.clone(),
+            pat: self.pat.clone(),
+            init: self.init.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Macro {
+    fn clone(&self) -> Self {
+        Macro {
+            path: self.path.clone(),
+            bang_token: self.bang_token.clone(),
+            delimiter: self.delimiter.clone(),
+            tokens: self.tokens.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for MacroDelimiter {
+    fn clone(&self) -> Self {
+        match self {
+            MacroDelimiter::Paren(v0) => MacroDelimiter::Paren(v0.clone()),
+            MacroDelimiter::Brace(v0) => MacroDelimiter::Brace(v0.clone()),
+            MacroDelimiter::Bracket(v0) => MacroDelimiter::Bracket(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Member {
+    fn clone(&self) -> Self {
+        match self {
+            Member::Named(v0) => Member::Named(v0.clone()),
+            Member::Unnamed(v0) => Member::Unnamed(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Meta {
+    fn clone(&self) -> Self {
+        match self {
+            Meta::Path(v0) => Meta::Path(v0.clone()),
+            Meta::List(v0) => Meta::List(v0.clone()),
+            Meta::NameValue(v0) => Meta::NameValue(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for MetaList {
+    fn clone(&self) -> Self {
+        MetaList {
+            path: self.path.clone(),
+            paren_token: self.paren_token.clone(),
+            nested: self.nested.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for MetaNameValue {
+    fn clone(&self) -> Self {
+        MetaNameValue {
+            path: self.path.clone(),
+            eq_token: self.eq_token.clone(),
+            lit: self.lit.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for MethodTurbofish {
+    fn clone(&self) -> Self {
+        MethodTurbofish {
+            colon2_token: self.colon2_token.clone(),
+            lt_token: self.lt_token.clone(),
+            args: self.args.clone(),
+            gt_token: self.gt_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for NestedMeta {
+    fn clone(&self) -> Self {
+        match self {
+            NestedMeta::Meta(v0) => NestedMeta::Meta(v0.clone()),
+            NestedMeta::Lit(v0) => NestedMeta::Lit(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ParenthesizedGenericArguments {
+    fn clone(&self) -> Self {
+        ParenthesizedGenericArguments {
+            paren_token: self.paren_token.clone(),
+            inputs: self.inputs.clone(),
+            output: self.output.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Pat {
+    fn clone(&self) -> Self {
+        match self {
+            Pat::Box(v0) => Pat::Box(v0.clone()),
+            Pat::Ident(v0) => Pat::Ident(v0.clone()),
+            Pat::Lit(v0) => Pat::Lit(v0.clone()),
+            Pat::Macro(v0) => Pat::Macro(v0.clone()),
+            Pat::Or(v0) => Pat::Or(v0.clone()),
+            Pat::Path(v0) => Pat::Path(v0.clone()),
+            Pat::Range(v0) => Pat::Range(v0.clone()),
+            Pat::Reference(v0) => Pat::Reference(v0.clone()),
+            Pat::Rest(v0) => Pat::Rest(v0.clone()),
+            Pat::Slice(v0) => Pat::Slice(v0.clone()),
+            Pat::Struct(v0) => Pat::Struct(v0.clone()),
+            Pat::Tuple(v0) => Pat::Tuple(v0.clone()),
+            Pat::TupleStruct(v0) => Pat::TupleStruct(v0.clone()),
+            Pat::Type(v0) => Pat::Type(v0.clone()),
+            Pat::Verbatim(v0) => Pat::Verbatim(v0.clone()),
+            Pat::Wild(v0) => Pat::Wild(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatBox {
+    fn clone(&self) -> Self {
+        PatBox {
+            attrs: self.attrs.clone(),
+            box_token: self.box_token.clone(),
+            pat: self.pat.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatIdent {
+    fn clone(&self) -> Self {
+        PatIdent {
+            attrs: self.attrs.clone(),
+            by_ref: self.by_ref.clone(),
+            mutability: self.mutability.clone(),
+            ident: self.ident.clone(),
+            subpat: self.subpat.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatLit {
+    fn clone(&self) -> Self {
+        PatLit {
+            attrs: self.attrs.clone(),
+            expr: self.expr.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatMacro {
+    fn clone(&self) -> Self {
+        PatMacro {
+            attrs: self.attrs.clone(),
+            mac: self.mac.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatOr {
+    fn clone(&self) -> Self {
+        PatOr {
+            attrs: self.attrs.clone(),
+            leading_vert: self.leading_vert.clone(),
+            cases: self.cases.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatPath {
+    fn clone(&self) -> Self {
+        PatPath {
+            attrs: self.attrs.clone(),
+            qself: self.qself.clone(),
+            path: self.path.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatRange {
+    fn clone(&self) -> Self {
+        PatRange {
+            attrs: self.attrs.clone(),
+            lo: self.lo.clone(),
+            limits: self.limits.clone(),
+            hi: self.hi.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatReference {
+    fn clone(&self) -> Self {
+        PatReference {
+            attrs: self.attrs.clone(),
+            and_token: self.and_token.clone(),
+            mutability: self.mutability.clone(),
+            pat: self.pat.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatRest {
+    fn clone(&self) -> Self {
+        PatRest {
+            attrs: self.attrs.clone(),
+            dot2_token: self.dot2_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatSlice {
+    fn clone(&self) -> Self {
+        PatSlice {
+            attrs: self.attrs.clone(),
+            bracket_token: self.bracket_token.clone(),
+            elems: self.elems.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatStruct {
+    fn clone(&self) -> Self {
+        PatStruct {
+            attrs: self.attrs.clone(),
+            path: self.path.clone(),
+            brace_token: self.brace_token.clone(),
+            fields: self.fields.clone(),
+            dot2_token: self.dot2_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatTuple {
+    fn clone(&self) -> Self {
+        PatTuple {
+            attrs: self.attrs.clone(),
+            paren_token: self.paren_token.clone(),
+            elems: self.elems.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatTupleStruct {
+    fn clone(&self) -> Self {
+        PatTupleStruct {
+            attrs: self.attrs.clone(),
+            path: self.path.clone(),
+            pat: self.pat.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatType {
+    fn clone(&self) -> Self {
+        PatType {
+            attrs: self.attrs.clone(),
+            pat: self.pat.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for PatWild {
+    fn clone(&self) -> Self {
+        PatWild {
+            attrs: self.attrs.clone(),
+            underscore_token: self.underscore_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Path {
+    fn clone(&self) -> Self {
+        Path {
+            leading_colon: self.leading_colon.clone(),
+            segments: self.segments.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for PathArguments {
+    fn clone(&self) -> Self {
+        match self {
+            PathArguments::None => PathArguments::None,
+            PathArguments::AngleBracketed(v0) => PathArguments::AngleBracketed(v0.clone()),
+            PathArguments::Parenthesized(v0) => PathArguments::Parenthesized(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for PathSegment {
+    fn clone(&self) -> Self {
+        PathSegment {
+            ident: self.ident.clone(),
+            arguments: self.arguments.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for PredicateEq {
+    fn clone(&self) -> Self {
+        PredicateEq {
+            lhs_ty: self.lhs_ty.clone(),
+            eq_token: self.eq_token.clone(),
+            rhs_ty: self.rhs_ty.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for PredicateLifetime {
+    fn clone(&self) -> Self {
+        PredicateLifetime {
+            lifetime: self.lifetime.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for PredicateType {
+    fn clone(&self) -> Self {
+        PredicateType {
+            lifetimes: self.lifetimes.clone(),
+            bounded_ty: self.bounded_ty.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for QSelf {
+    fn clone(&self) -> Self {
+        QSelf {
+            lt_token: self.lt_token.clone(),
+            ty: self.ty.clone(),
+            position: self.position.clone(),
+            as_token: self.as_token.clone(),
+            gt_token: self.gt_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Copy for RangeLimits {}
+#[cfg(feature = "full")]
+impl Clone for RangeLimits {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Receiver {
+    fn clone(&self) -> Self {
+        Receiver {
+            attrs: self.attrs.clone(),
+            reference: self.reference.clone(),
+            mutability: self.mutability.clone(),
+            self_token: self.self_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for ReturnType {
+    fn clone(&self) -> Self {
+        match self {
+            ReturnType::Default => ReturnType::Default,
+            ReturnType::Type(v0, v1) => ReturnType::Type(v0.clone(), v1.clone()),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Signature {
+    fn clone(&self) -> Self {
+        Signature {
+            constness: self.constness.clone(),
+            asyncness: self.asyncness.clone(),
+            unsafety: self.unsafety.clone(),
+            abi: self.abi.clone(),
+            fn_token: self.fn_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            paren_token: self.paren_token.clone(),
+            inputs: self.inputs.clone(),
+            variadic: self.variadic.clone(),
+            output: self.output.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for Stmt {
+    fn clone(&self) -> Self {
+        match self {
+            Stmt::Local(v0) => Stmt::Local(v0.clone()),
+            Stmt::Item(v0) => Stmt::Item(v0.clone()),
+            Stmt::Expr(v0) => Stmt::Expr(v0.clone()),
+            Stmt::Semi(v0, v1) => Stmt::Semi(v0.clone(), v1.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TraitBound {
+    fn clone(&self) -> Self {
+        TraitBound {
+            paren_token: self.paren_token.clone(),
+            modifier: self.modifier.clone(),
+            lifetimes: self.lifetimes.clone(),
+            path: self.path.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Copy for TraitBoundModifier {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TraitBoundModifier {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for TraitItem {
+    fn clone(&self) -> Self {
+        match self {
+            TraitItem::Const(v0) => TraitItem::Const(v0.clone()),
+            TraitItem::Method(v0) => TraitItem::Method(v0.clone()),
+            TraitItem::Type(v0) => TraitItem::Type(v0.clone()),
+            TraitItem::Macro(v0) => TraitItem::Macro(v0.clone()),
+            TraitItem::Verbatim(v0) => TraitItem::Verbatim(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for TraitItemConst {
+    fn clone(&self) -> Self {
+        TraitItemConst {
+            attrs: self.attrs.clone(),
+            const_token: self.const_token.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            ty: self.ty.clone(),
+            default: self.default.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for TraitItemMacro {
+    fn clone(&self) -> Self {
+        TraitItemMacro {
+            attrs: self.attrs.clone(),
+            mac: self.mac.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for TraitItemMethod {
+    fn clone(&self) -> Self {
+        TraitItemMethod {
+            attrs: self.attrs.clone(),
+            sig: self.sig.clone(),
+            default: self.default.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for TraitItemType {
+    fn clone(&self) -> Self {
+        TraitItemType {
+            attrs: self.attrs.clone(),
+            type_token: self.type_token.clone(),
+            ident: self.ident.clone(),
+            generics: self.generics.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+            default: self.default.clone(),
+            semi_token: self.semi_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Type {
+    fn clone(&self) -> Self {
+        match self {
+            Type::Array(v0) => Type::Array(v0.clone()),
+            Type::BareFn(v0) => Type::BareFn(v0.clone()),
+            Type::Group(v0) => Type::Group(v0.clone()),
+            Type::ImplTrait(v0) => Type::ImplTrait(v0.clone()),
+            Type::Infer(v0) => Type::Infer(v0.clone()),
+            Type::Macro(v0) => Type::Macro(v0.clone()),
+            Type::Never(v0) => Type::Never(v0.clone()),
+            Type::Paren(v0) => Type::Paren(v0.clone()),
+            Type::Path(v0) => Type::Path(v0.clone()),
+            Type::Ptr(v0) => Type::Ptr(v0.clone()),
+            Type::Reference(v0) => Type::Reference(v0.clone()),
+            Type::Slice(v0) => Type::Slice(v0.clone()),
+            Type::TraitObject(v0) => Type::TraitObject(v0.clone()),
+            Type::Tuple(v0) => Type::Tuple(v0.clone()),
+            Type::Verbatim(v0) => Type::Verbatim(v0.clone()),
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeArray {
+    fn clone(&self) -> Self {
+        TypeArray {
+            bracket_token: self.bracket_token.clone(),
+            elem: self.elem.clone(),
+            semi_token: self.semi_token.clone(),
+            len: self.len.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeBareFn {
+    fn clone(&self) -> Self {
+        TypeBareFn {
+            lifetimes: self.lifetimes.clone(),
+            unsafety: self.unsafety.clone(),
+            abi: self.abi.clone(),
+            fn_token: self.fn_token.clone(),
+            paren_token: self.paren_token.clone(),
+            inputs: self.inputs.clone(),
+            variadic: self.variadic.clone(),
+            output: self.output.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeGroup {
+    fn clone(&self) -> Self {
+        TypeGroup {
+            group_token: self.group_token.clone(),
+            elem: self.elem.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeImplTrait {
+    fn clone(&self) -> Self {
+        TypeImplTrait {
+            impl_token: self.impl_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeInfer {
+    fn clone(&self) -> Self {
+        TypeInfer {
+            underscore_token: self.underscore_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeMacro {
+    fn clone(&self) -> Self {
+        TypeMacro {
+            mac: self.mac.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeNever {
+    fn clone(&self) -> Self {
+        TypeNever {
+            bang_token: self.bang_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeParam {
+    fn clone(&self) -> Self {
+        TypeParam {
+            attrs: self.attrs.clone(),
+            ident: self.ident.clone(),
+            colon_token: self.colon_token.clone(),
+            bounds: self.bounds.clone(),
+            eq_token: self.eq_token.clone(),
+            default: self.default.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeParamBound {
+    fn clone(&self) -> Self {
+        match self {
+            TypeParamBound::Trait(v0) => TypeParamBound::Trait(v0.clone()),
+            TypeParamBound::Lifetime(v0) => TypeParamBound::Lifetime(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeParen {
+    fn clone(&self) -> Self {
+        TypeParen {
+            paren_token: self.paren_token.clone(),
+            elem: self.elem.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypePath {
+    fn clone(&self) -> Self {
+        TypePath {
+            qself: self.qself.clone(),
+            path: self.path.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypePtr {
+    fn clone(&self) -> Self {
+        TypePtr {
+            star_token: self.star_token.clone(),
+            const_token: self.const_token.clone(),
+            mutability: self.mutability.clone(),
+            elem: self.elem.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeReference {
+    fn clone(&self) -> Self {
+        TypeReference {
+            and_token: self.and_token.clone(),
+            lifetime: self.lifetime.clone(),
+            mutability: self.mutability.clone(),
+            elem: self.elem.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeSlice {
+    fn clone(&self) -> Self {
+        TypeSlice {
+            bracket_token: self.bracket_token.clone(),
+            elem: self.elem.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeTraitObject {
+    fn clone(&self) -> Self {
+        TypeTraitObject {
+            dyn_token: self.dyn_token.clone(),
+            bounds: self.bounds.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for TypeTuple {
+    fn clone(&self) -> Self {
+        TypeTuple {
+            paren_token: self.paren_token.clone(),
+            elems: self.elems.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Copy for UnOp {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for UnOp {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UseGlob {
+    fn clone(&self) -> Self {
+        UseGlob {
+            star_token: self.star_token.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UseGroup {
+    fn clone(&self) -> Self {
+        UseGroup {
+            brace_token: self.brace_token.clone(),
+            items: self.items.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UseName {
+    fn clone(&self) -> Self {
+        UseName {
+            ident: self.ident.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UsePath {
+    fn clone(&self) -> Self {
+        UsePath {
+            ident: self.ident.clone(),
+            colon2_token: self.colon2_token.clone(),
+            tree: self.tree.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UseRename {
+    fn clone(&self) -> Self {
+        UseRename {
+            ident: self.ident.clone(),
+            as_token: self.as_token.clone(),
+            rename: self.rename.clone(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Clone for UseTree {
+    fn clone(&self) -> Self {
+        match self {
+            UseTree::Path(v0) => UseTree::Path(v0.clone()),
+            UseTree::Name(v0) => UseTree::Name(v0.clone()),
+            UseTree::Rename(v0) => UseTree::Rename(v0.clone()),
+            UseTree::Glob(v0) => UseTree::Glob(v0.clone()),
+            UseTree::Group(v0) => UseTree::Group(v0.clone()),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Variadic {
+    fn clone(&self) -> Self {
+        Variadic {
+            attrs: self.attrs.clone(),
+            dots: self.dots.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Variant {
+    fn clone(&self) -> Self {
+        Variant {
+            attrs: self.attrs.clone(),
+            ident: self.ident.clone(),
+            fields: self.fields.clone(),
+            discriminant: self.discriminant.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for VisCrate {
+    fn clone(&self) -> Self {
+        VisCrate {
+            crate_token: self.crate_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for VisPublic {
+    fn clone(&self) -> Self {
+        VisPublic {
+            pub_token: self.pub_token.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for VisRestricted {
+    fn clone(&self) -> Self {
+        VisRestricted {
+            pub_token: self.pub_token.clone(),
+            paren_token: self.paren_token.clone(),
+            in_token: self.in_token.clone(),
+            path: self.path.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for Visibility {
+    fn clone(&self) -> Self {
+        match self {
+            Visibility::Public(v0) => Visibility::Public(v0.clone()),
+            Visibility::Crate(v0) => Visibility::Crate(v0.clone()),
+            Visibility::Restricted(v0) => Visibility::Restricted(v0.clone()),
+            Visibility::Inherited => Visibility::Inherited,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for WhereClause {
+    fn clone(&self) -> Self {
+        WhereClause {
+            where_token: self.where_token.clone(),
+            predicates: self.predicates.clone(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Clone for WherePredicate {
+    fn clone(&self) -> Self {
+        match self {
+            WherePredicate::Type(v0) => WherePredicate::Type(v0.clone()),
+            WherePredicate::Lifetime(v0) => WherePredicate::Lifetime(v0.clone()),
+            WherePredicate::Eq(v0) => WherePredicate::Eq(v0.clone()),
+        }
+    }
+}
diff --git a/src/gen/debug.rs b/src/gen/debug.rs
new file mode 100644
index 00000000..72baab05
--- /dev/null
+++ b/src/gen/debug.rs
@@ -0,0 +1,2857 @@
+// This file is @generated by syn-internal-codegen.
+// It is not intended for manual editing.
+
+use crate::*;
+use std::fmt::{self, Debug};
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Abi {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Abi");
+        formatter.field("extern_token", &self.extern_token);
+        formatter.field("name", &self.name);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for AngleBracketedGenericArguments {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("AngleBracketedGenericArguments");
+        formatter.field("colon2_token", &self.colon2_token);
+        formatter.field("lt_token", &self.lt_token);
+        formatter.field("args", &self.args);
+        formatter.field("gt_token", &self.gt_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Arm {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Arm");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("pat", &self.pat);
+        formatter.field("guard", &self.guard);
+        formatter.field("fat_arrow_token", &self.fat_arrow_token);
+        formatter.field("body", &self.body);
+        formatter.field("comma", &self.comma);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for AttrStyle {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            AttrStyle::Outer => formatter.write_str("Outer"),
+            AttrStyle::Inner(v0) => {
+                let mut formatter = formatter.debug_tuple("Inner");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Attribute {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Attribute");
+        formatter.field("pound_token", &self.pound_token);
+        formatter.field("style", &self.style);
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("path", &self.path);
+        formatter.field("tokens", &self.tokens);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for BareFnArg {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("BareFnArg");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("name", &self.name);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for BinOp {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            BinOp::Add(v0) => {
+                let mut formatter = formatter.debug_tuple("Add");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Sub(v0) => {
+                let mut formatter = formatter.debug_tuple("Sub");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Mul(v0) => {
+                let mut formatter = formatter.debug_tuple("Mul");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Div(v0) => {
+                let mut formatter = formatter.debug_tuple("Div");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Rem(v0) => {
+                let mut formatter = formatter.debug_tuple("Rem");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::And(v0) => {
+                let mut formatter = formatter.debug_tuple("And");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Or(v0) => {
+                let mut formatter = formatter.debug_tuple("Or");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitXor(v0) => {
+                let mut formatter = formatter.debug_tuple("BitXor");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitAnd(v0) => {
+                let mut formatter = formatter.debug_tuple("BitAnd");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitOr(v0) => {
+                let mut formatter = formatter.debug_tuple("BitOr");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Shl(v0) => {
+                let mut formatter = formatter.debug_tuple("Shl");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Shr(v0) => {
+                let mut formatter = formatter.debug_tuple("Shr");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Eq(v0) => {
+                let mut formatter = formatter.debug_tuple("Eq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Lt(v0) => {
+                let mut formatter = formatter.debug_tuple("Lt");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Le(v0) => {
+                let mut formatter = formatter.debug_tuple("Le");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Ne(v0) => {
+                let mut formatter = formatter.debug_tuple("Ne");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Ge(v0) => {
+                let mut formatter = formatter.debug_tuple("Ge");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::Gt(v0) => {
+                let mut formatter = formatter.debug_tuple("Gt");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::AddEq(v0) => {
+                let mut formatter = formatter.debug_tuple("AddEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::SubEq(v0) => {
+                let mut formatter = formatter.debug_tuple("SubEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::MulEq(v0) => {
+                let mut formatter = formatter.debug_tuple("MulEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::DivEq(v0) => {
+                let mut formatter = formatter.debug_tuple("DivEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::RemEq(v0) => {
+                let mut formatter = formatter.debug_tuple("RemEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitXorEq(v0) => {
+                let mut formatter = formatter.debug_tuple("BitXorEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitAndEq(v0) => {
+                let mut formatter = formatter.debug_tuple("BitAndEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::BitOrEq(v0) => {
+                let mut formatter = formatter.debug_tuple("BitOrEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::ShlEq(v0) => {
+                let mut formatter = formatter.debug_tuple("ShlEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            BinOp::ShrEq(v0) => {
+                let mut formatter = formatter.debug_tuple("ShrEq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Binding {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Binding");
+        formatter.field("ident", &self.ident);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Block {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Block");
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("stmts", &self.stmts);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for BoundLifetimes {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("BoundLifetimes");
+        formatter.field("for_token", &self.for_token);
+        formatter.field("lt_token", &self.lt_token);
+        formatter.field("lifetimes", &self.lifetimes);
+        formatter.field("gt_token", &self.gt_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ConstParam {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ConstParam");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("const_token", &self.const_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("default", &self.default);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Constraint {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Constraint");
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "derive")]
+impl Debug for Data {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Data::Struct(v0) => {
+                let mut formatter = formatter.debug_tuple("Struct");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Data::Enum(v0) => {
+                let mut formatter = formatter.debug_tuple("Enum");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Data::Union(v0) => {
+                let mut formatter = formatter.debug_tuple("Union");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Debug for DataEnum {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("DataEnum");
+        formatter.field("enum_token", &self.enum_token);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("variants", &self.variants);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "derive")]
+impl Debug for DataStruct {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("DataStruct");
+        formatter.field("struct_token", &self.struct_token);
+        formatter.field("fields", &self.fields);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "derive")]
+impl Debug for DataUnion {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("DataUnion");
+        formatter.field("union_token", &self.union_token);
+        formatter.field("fields", &self.fields);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "derive")]
+impl Debug for DeriveInput {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("DeriveInput");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("data", &self.data);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Expr {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            #[cfg(feature = "full")]
+            Expr::Array(v0) => {
+                let mut formatter = formatter.debug_tuple("Array");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Assign(v0) => {
+                let mut formatter = formatter.debug_tuple("Assign");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::AssignOp(v0) => {
+                let mut formatter = formatter.debug_tuple("AssignOp");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Async(v0) => {
+                let mut formatter = formatter.debug_tuple("Async");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Await(v0) => {
+                let mut formatter = formatter.debug_tuple("Await");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Binary(v0) => {
+                let mut formatter = formatter.debug_tuple("Binary");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Block(v0) => {
+                let mut formatter = formatter.debug_tuple("Block");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Box(v0) => {
+                let mut formatter = formatter.debug_tuple("Box");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Break(v0) => {
+                let mut formatter = formatter.debug_tuple("Break");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Call(v0) => {
+                let mut formatter = formatter.debug_tuple("Call");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Cast(v0) => {
+                let mut formatter = formatter.debug_tuple("Cast");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Closure(v0) => {
+                let mut formatter = formatter.debug_tuple("Closure");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Continue(v0) => {
+                let mut formatter = formatter.debug_tuple("Continue");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Field(v0) => {
+                let mut formatter = formatter.debug_tuple("Field");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::ForLoop(v0) => {
+                let mut formatter = formatter.debug_tuple("ForLoop");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Group(v0) => {
+                let mut formatter = formatter.debug_tuple("Group");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::If(v0) => {
+                let mut formatter = formatter.debug_tuple("If");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Index(v0) => {
+                let mut formatter = formatter.debug_tuple("Index");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Let(v0) => {
+                let mut formatter = formatter.debug_tuple("Let");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Lit(v0) => {
+                let mut formatter = formatter.debug_tuple("Lit");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Loop(v0) => {
+                let mut formatter = formatter.debug_tuple("Loop");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Match(v0) => {
+                let mut formatter = formatter.debug_tuple("Match");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::MethodCall(v0) => {
+                let mut formatter = formatter.debug_tuple("MethodCall");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Paren(v0) => {
+                let mut formatter = formatter.debug_tuple("Paren");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Path(v0) => {
+                let mut formatter = formatter.debug_tuple("Path");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Range(v0) => {
+                let mut formatter = formatter.debug_tuple("Range");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Reference(v0) => {
+                let mut formatter = formatter.debug_tuple("Reference");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Repeat(v0) => {
+                let mut formatter = formatter.debug_tuple("Repeat");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Return(v0) => {
+                let mut formatter = formatter.debug_tuple("Return");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Struct(v0) => {
+                let mut formatter = formatter.debug_tuple("Struct");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Try(v0) => {
+                let mut formatter = formatter.debug_tuple("Try");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::TryBlock(v0) => {
+                let mut formatter = formatter.debug_tuple("TryBlock");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Tuple(v0) => {
+                let mut formatter = formatter.debug_tuple("Tuple");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Unary(v0) => {
+                let mut formatter = formatter.debug_tuple("Unary");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Unsafe(v0) => {
+                let mut formatter = formatter.debug_tuple("Unsafe");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Expr::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::While(v0) => {
+                let mut formatter = formatter.debug_tuple("While");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            #[cfg(feature = "full")]
+            Expr::Yield(v0) => {
+                let mut formatter = formatter.debug_tuple("Yield");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprArray {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprArray");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("elems", &self.elems);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprAssign {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprAssign");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("left", &self.left);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("right", &self.right);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprAssignOp {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprAssignOp");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("left", &self.left);
+        formatter.field("op", &self.op);
+        formatter.field("right", &self.right);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprAsync {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprAsync");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("async_token", &self.async_token);
+        formatter.field("capture", &self.capture);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprAwait {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprAwait");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("base", &self.base);
+        formatter.field("dot_token", &self.dot_token);
+        formatter.field("await_token", &self.await_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprBinary {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprBinary");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("left", &self.left);
+        formatter.field("op", &self.op);
+        formatter.field("right", &self.right);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprBlock {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprBlock");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("label", &self.label);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprBox {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprBox");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("box_token", &self.box_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprBreak {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprBreak");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("break_token", &self.break_token);
+        formatter.field("label", &self.label);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprCall {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprCall");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("func", &self.func);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("args", &self.args);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprCast {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprCast");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("expr", &self.expr);
+        formatter.field("as_token", &self.as_token);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprClosure {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprClosure");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("asyncness", &self.asyncness);
+        formatter.field("movability", &self.movability);
+        formatter.field("capture", &self.capture);
+        formatter.field("or1_token", &self.or1_token);
+        formatter.field("inputs", &self.inputs);
+        formatter.field("or2_token", &self.or2_token);
+        formatter.field("output", &self.output);
+        formatter.field("body", &self.body);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprContinue {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprContinue");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("continue_token", &self.continue_token);
+        formatter.field("label", &self.label);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprField {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprField");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("base", &self.base);
+        formatter.field("dot_token", &self.dot_token);
+        formatter.field("member", &self.member);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprForLoop {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprForLoop");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("label", &self.label);
+        formatter.field("for_token", &self.for_token);
+        formatter.field("pat", &self.pat);
+        formatter.field("in_token", &self.in_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("body", &self.body);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprGroup {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprGroup");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("group_token", &self.group_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprIf {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprIf");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("if_token", &self.if_token);
+        formatter.field("cond", &self.cond);
+        formatter.field("then_branch", &self.then_branch);
+        formatter.field("else_branch", &self.else_branch);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprIndex {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprIndex");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("expr", &self.expr);
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("index", &self.index);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprLet {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprLet");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("let_token", &self.let_token);
+        formatter.field("pat", &self.pat);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprLit {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprLit");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("lit", &self.lit);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprLoop {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprLoop");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("label", &self.label);
+        formatter.field("loop_token", &self.loop_token);
+        formatter.field("body", &self.body);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("mac", &self.mac);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprMatch {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprMatch");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("match_token", &self.match_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("arms", &self.arms);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprMethodCall {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprMethodCall");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("receiver", &self.receiver);
+        formatter.field("dot_token", &self.dot_token);
+        formatter.field("method", &self.method);
+        formatter.field("turbofish", &self.turbofish);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("args", &self.args);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprParen {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprParen");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprPath {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprPath");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("qself", &self.qself);
+        formatter.field("path", &self.path);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprRange {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprRange");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("from", &self.from);
+        formatter.field("limits", &self.limits);
+        formatter.field("to", &self.to);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprReference {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprReference");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("and_token", &self.and_token);
+        formatter.field("raw", &self.raw);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprRepeat {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprRepeat");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.field("len", &self.len);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprReturn {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprReturn");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("return_token", &self.return_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprStruct {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprStruct");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("path", &self.path);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("fields", &self.fields);
+        formatter.field("dot2_token", &self.dot2_token);
+        formatter.field("rest", &self.rest);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprTry {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprTry");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("expr", &self.expr);
+        formatter.field("question_token", &self.question_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprTryBlock {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprTryBlock");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("try_token", &self.try_token);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprTuple {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprTuple");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("elems", &self.elems);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("expr", &self.expr);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ExprUnary {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprUnary");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("op", &self.op);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprUnsafe {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprUnsafe");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("unsafe_token", &self.unsafe_token);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprWhile {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprWhile");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("label", &self.label);
+        formatter.field("while_token", &self.while_token);
+        formatter.field("cond", &self.cond);
+        formatter.field("body", &self.body);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ExprYield {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ExprYield");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("yield_token", &self.yield_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Field {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Field");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for FieldPat {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("FieldPat");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("member", &self.member);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("pat", &self.pat);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for FieldValue {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("FieldValue");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("member", &self.member);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Fields {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Fields::Named(v0) => {
+                let mut formatter = formatter.debug_tuple("Named");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Fields::Unnamed(v0) => {
+                let mut formatter = formatter.debug_tuple("Unnamed");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Fields::Unit => formatter.write_str("Unit"),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for FieldsNamed {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("FieldsNamed");
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("named", &self.named);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for FieldsUnnamed {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("FieldsUnnamed");
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("unnamed", &self.unnamed);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for File {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("File");
+        formatter.field("shebang", &self.shebang);
+        formatter.field("attrs", &self.attrs);
+        formatter.field("items", &self.items);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for FnArg {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            FnArg::Receiver(v0) => {
+                let mut formatter = formatter.debug_tuple("Receiver");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            FnArg::Typed(v0) => {
+                let mut formatter = formatter.debug_tuple("Typed");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ForeignItem {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            ForeignItem::Fn(v0) => {
+                let mut formatter = formatter.debug_tuple("Fn");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ForeignItem::Static(v0) => {
+                let mut formatter = formatter.debug_tuple("Static");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ForeignItem::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ForeignItem::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ForeignItem::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ForeignItemFn {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ForeignItemFn");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("sig", &self.sig);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ForeignItemMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ForeignItemMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("mac", &self.mac);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ForeignItemStatic {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ForeignItemStatic");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("static_token", &self.static_token);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ForeignItemType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ForeignItemType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("type_token", &self.type_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for GenericArgument {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            GenericArgument::Lifetime(v0) => {
+                let mut formatter = formatter.debug_tuple("Lifetime");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericArgument::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericArgument::Binding(v0) => {
+                let mut formatter = formatter.debug_tuple("Binding");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericArgument::Constraint(v0) => {
+                let mut formatter = formatter.debug_tuple("Constraint");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericArgument::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for GenericMethodArgument {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            GenericMethodArgument::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericMethodArgument::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for GenericParam {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            GenericParam::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericParam::Lifetime(v0) => {
+                let mut formatter = formatter.debug_tuple("Lifetime");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            GenericParam::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Generics {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Generics");
+        formatter.field("lt_token", &self.lt_token);
+        formatter.field("params", &self.params);
+        formatter.field("gt_token", &self.gt_token);
+        formatter.field("where_clause", &self.where_clause);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ImplItem {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            ImplItem::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ImplItem::Method(v0) => {
+                let mut formatter = formatter.debug_tuple("Method");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ImplItem::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ImplItem::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            ImplItem::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ImplItemConst {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ImplItemConst");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("defaultness", &self.defaultness);
+        formatter.field("const_token", &self.const_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ImplItemMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ImplItemMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("mac", &self.mac);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ImplItemMethod {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ImplItemMethod");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("defaultness", &self.defaultness);
+        formatter.field("sig", &self.sig);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ImplItemType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ImplItemType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("defaultness", &self.defaultness);
+        formatter.field("type_token", &self.type_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Index {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Index");
+        formatter.field("index", &self.index);
+        formatter.field("span", &self.span);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Item {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Item::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Enum(v0) => {
+                let mut formatter = formatter.debug_tuple("Enum");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::ExternCrate(v0) => {
+                let mut formatter = formatter.debug_tuple("ExternCrate");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Fn(v0) => {
+                let mut formatter = formatter.debug_tuple("Fn");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::ForeignMod(v0) => {
+                let mut formatter = formatter.debug_tuple("ForeignMod");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Impl(v0) => {
+                let mut formatter = formatter.debug_tuple("Impl");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Macro2(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro2");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Mod(v0) => {
+                let mut formatter = formatter.debug_tuple("Mod");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Static(v0) => {
+                let mut formatter = formatter.debug_tuple("Static");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Struct(v0) => {
+                let mut formatter = formatter.debug_tuple("Struct");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Trait(v0) => {
+                let mut formatter = formatter.debug_tuple("Trait");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::TraitAlias(v0) => {
+                let mut formatter = formatter.debug_tuple("TraitAlias");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Union(v0) => {
+                let mut formatter = formatter.debug_tuple("Union");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Use(v0) => {
+                let mut formatter = formatter.debug_tuple("Use");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Item::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemConst {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemConst");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("const_token", &self.const_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemEnum {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemEnum");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("enum_token", &self.enum_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("variants", &self.variants);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemExternCrate {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemExternCrate");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("extern_token", &self.extern_token);
+        formatter.field("crate_token", &self.crate_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("rename", &self.rename);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemFn {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemFn");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("sig", &self.sig);
+        formatter.field("block", &self.block);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemForeignMod {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemForeignMod");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("abi", &self.abi);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("items", &self.items);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemImpl {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemImpl");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("defaultness", &self.defaultness);
+        formatter.field("unsafety", &self.unsafety);
+        formatter.field("impl_token", &self.impl_token);
+        formatter.field("generics", &self.generics);
+        formatter.field("trait_", &self.trait_);
+        formatter.field("self_ty", &self.self_ty);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("items", &self.items);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("ident", &self.ident);
+        formatter.field("mac", &self.mac);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemMacro2 {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemMacro2");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("macro_token", &self.macro_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("rules", &self.rules);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemMod {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemMod");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("mod_token", &self.mod_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("content", &self.content);
+        formatter.field("semi", &self.semi);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemStatic {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemStatic");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("static_token", &self.static_token);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("expr", &self.expr);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemStruct {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemStruct");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("struct_token", &self.struct_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("fields", &self.fields);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemTrait {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemTrait");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("unsafety", &self.unsafety);
+        formatter.field("auto_token", &self.auto_token);
+        formatter.field("trait_token", &self.trait_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("supertraits", &self.supertraits);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("items", &self.items);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemTraitAlias {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemTraitAlias");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("trait_token", &self.trait_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("type_token", &self.type_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemUnion {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemUnion");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("union_token", &self.union_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("fields", &self.fields);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for ItemUse {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ItemUse");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("vis", &self.vis);
+        formatter.field("use_token", &self.use_token);
+        formatter.field("leading_colon", &self.leading_colon);
+        formatter.field("tree", &self.tree);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Label {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Label");
+        formatter.field("name", &self.name);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.finish()
+    }
+}
+impl Debug for Lifetime {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Lifetime");
+        formatter.field("apostrophe", &self.apostrophe);
+        formatter.field("ident", &self.ident);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for LifetimeDef {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("LifetimeDef");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("lifetime", &self.lifetime);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+impl Debug for Lit {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Lit::Str(v0) => {
+                let mut formatter = formatter.debug_tuple("Str");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::ByteStr(v0) => {
+                let mut formatter = formatter.debug_tuple("ByteStr");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Byte(v0) => {
+                let mut formatter = formatter.debug_tuple("Byte");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Char(v0) => {
+                let mut formatter = formatter.debug_tuple("Char");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Int(v0) => {
+                let mut formatter = formatter.debug_tuple("Int");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Float(v0) => {
+                let mut formatter = formatter.debug_tuple("Float");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Bool(v0) => {
+                let mut formatter = formatter.debug_tuple("Bool");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Lit::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Local {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Local");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("let_token", &self.let_token);
+        formatter.field("pat", &self.pat);
+        formatter.field("init", &self.init);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Macro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Macro");
+        formatter.field("path", &self.path);
+        formatter.field("bang_token", &self.bang_token);
+        formatter.field("delimiter", &self.delimiter);
+        formatter.field("tokens", &self.tokens);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for MacroDelimiter {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            MacroDelimiter::Paren(v0) => {
+                let mut formatter = formatter.debug_tuple("Paren");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            MacroDelimiter::Brace(v0) => {
+                let mut formatter = formatter.debug_tuple("Brace");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            MacroDelimiter::Bracket(v0) => {
+                let mut formatter = formatter.debug_tuple("Bracket");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Member {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Member::Named(v0) => {
+                let mut formatter = formatter.debug_tuple("Named");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Member::Unnamed(v0) => {
+                let mut formatter = formatter.debug_tuple("Unnamed");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Meta {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Meta::Path(v0) => {
+                let mut formatter = formatter.debug_tuple("Path");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Meta::List(v0) => {
+                let mut formatter = formatter.debug_tuple("List");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Meta::NameValue(v0) => {
+                let mut formatter = formatter.debug_tuple("NameValue");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for MetaList {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("MetaList");
+        formatter.field("path", &self.path);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("nested", &self.nested);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for MetaNameValue {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("MetaNameValue");
+        formatter.field("path", &self.path);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("lit", &self.lit);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for MethodTurbofish {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("MethodTurbofish");
+        formatter.field("colon2_token", &self.colon2_token);
+        formatter.field("lt_token", &self.lt_token);
+        formatter.field("args", &self.args);
+        formatter.field("gt_token", &self.gt_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for NestedMeta {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            NestedMeta::Meta(v0) => {
+                let mut formatter = formatter.debug_tuple("Meta");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            NestedMeta::Lit(v0) => {
+                let mut formatter = formatter.debug_tuple("Lit");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ParenthesizedGenericArguments {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("ParenthesizedGenericArguments");
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("inputs", &self.inputs);
+        formatter.field("output", &self.output);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Pat {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Pat::Box(v0) => {
+                let mut formatter = formatter.debug_tuple("Box");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Ident(v0) => {
+                let mut formatter = formatter.debug_tuple("Ident");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Lit(v0) => {
+                let mut formatter = formatter.debug_tuple("Lit");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Or(v0) => {
+                let mut formatter = formatter.debug_tuple("Or");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Path(v0) => {
+                let mut formatter = formatter.debug_tuple("Path");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Range(v0) => {
+                let mut formatter = formatter.debug_tuple("Range");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Reference(v0) => {
+                let mut formatter = formatter.debug_tuple("Reference");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Rest(v0) => {
+                let mut formatter = formatter.debug_tuple("Rest");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Slice(v0) => {
+                let mut formatter = formatter.debug_tuple("Slice");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Struct(v0) => {
+                let mut formatter = formatter.debug_tuple("Struct");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Tuple(v0) => {
+                let mut formatter = formatter.debug_tuple("Tuple");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::TupleStruct(v0) => {
+                let mut formatter = formatter.debug_tuple("TupleStruct");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Pat::Wild(v0) => {
+                let mut formatter = formatter.debug_tuple("Wild");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatBox {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatBox");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("box_token", &self.box_token);
+        formatter.field("pat", &self.pat);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatIdent {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatIdent");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("by_ref", &self.by_ref);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("ident", &self.ident);
+        formatter.field("subpat", &self.subpat);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatLit {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatLit");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("expr", &self.expr);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("mac", &self.mac);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatOr {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatOr");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("leading_vert", &self.leading_vert);
+        formatter.field("cases", &self.cases);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatPath {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatPath");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("qself", &self.qself);
+        formatter.field("path", &self.path);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatRange {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatRange");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("lo", &self.lo);
+        formatter.field("limits", &self.limits);
+        formatter.field("hi", &self.hi);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatReference {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatReference");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("and_token", &self.and_token);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("pat", &self.pat);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatRest {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatRest");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("dot2_token", &self.dot2_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatSlice {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatSlice");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("elems", &self.elems);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatStruct {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatStruct");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("path", &self.path);
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("fields", &self.fields);
+        formatter.field("dot2_token", &self.dot2_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatTuple {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatTuple");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("elems", &self.elems);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatTupleStruct {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatTupleStruct");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("path", &self.path);
+        formatter.field("pat", &self.pat);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("pat", &self.pat);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for PatWild {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PatWild");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("underscore_token", &self.underscore_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Path {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Path");
+        formatter.field("leading_colon", &self.leading_colon);
+        formatter.field("segments", &self.segments);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for PathArguments {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            PathArguments::None => formatter.write_str("None"),
+            PathArguments::AngleBracketed(v0) => {
+                let mut formatter = formatter.debug_tuple("AngleBracketed");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            PathArguments::Parenthesized(v0) => {
+                let mut formatter = formatter.debug_tuple("Parenthesized");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for PathSegment {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PathSegment");
+        formatter.field("ident", &self.ident);
+        formatter.field("arguments", &self.arguments);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for PredicateEq {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PredicateEq");
+        formatter.field("lhs_ty", &self.lhs_ty);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("rhs_ty", &self.rhs_ty);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for PredicateLifetime {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PredicateLifetime");
+        formatter.field("lifetime", &self.lifetime);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for PredicateType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("PredicateType");
+        formatter.field("lifetimes", &self.lifetimes);
+        formatter.field("bounded_ty", &self.bounded_ty);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for QSelf {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("QSelf");
+        formatter.field("lt_token", &self.lt_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("position", &self.position);
+        formatter.field("as_token", &self.as_token);
+        formatter.field("gt_token", &self.gt_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for RangeLimits {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            RangeLimits::HalfOpen(v0) => {
+                let mut formatter = formatter.debug_tuple("HalfOpen");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            RangeLimits::Closed(v0) => {
+                let mut formatter = formatter.debug_tuple("Closed");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Receiver {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Receiver");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("reference", &self.reference);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("self_token", &self.self_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for ReturnType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            ReturnType::Default => formatter.write_str("Default"),
+            ReturnType::Type(v0, v1) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.field(v1);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Signature {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Signature");
+        formatter.field("constness", &self.constness);
+        formatter.field("asyncness", &self.asyncness);
+        formatter.field("unsafety", &self.unsafety);
+        formatter.field("abi", &self.abi);
+        formatter.field("fn_token", &self.fn_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("inputs", &self.inputs);
+        formatter.field("variadic", &self.variadic);
+        formatter.field("output", &self.output);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for Stmt {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Stmt::Local(v0) => {
+                let mut formatter = formatter.debug_tuple("Local");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Stmt::Item(v0) => {
+                let mut formatter = formatter.debug_tuple("Item");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Stmt::Expr(v0) => {
+                let mut formatter = formatter.debug_tuple("Expr");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Stmt::Semi(v0, v1) => {
+                let mut formatter = formatter.debug_tuple("Semi");
+                formatter.field(v0);
+                formatter.field(v1);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TraitBound {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TraitBound");
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("modifier", &self.modifier);
+        formatter.field("lifetimes", &self.lifetimes);
+        formatter.field("path", &self.path);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TraitBoundModifier {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            TraitBoundModifier::None => formatter.write_str("None"),
+            TraitBoundModifier::Maybe(v0) => {
+                let mut formatter = formatter.debug_tuple("Maybe");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for TraitItem {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            TraitItem::Const(v0) => {
+                let mut formatter = formatter.debug_tuple("Const");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            TraitItem::Method(v0) => {
+                let mut formatter = formatter.debug_tuple("Method");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            TraitItem::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            TraitItem::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            TraitItem::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for TraitItemConst {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TraitItemConst");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("const_token", &self.const_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("ty", &self.ty);
+        formatter.field("default", &self.default);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for TraitItemMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TraitItemMacro");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("mac", &self.mac);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for TraitItemMethod {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TraitItemMethod");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("sig", &self.sig);
+        formatter.field("default", &self.default);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for TraitItemType {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TraitItemType");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("type_token", &self.type_token);
+        formatter.field("ident", &self.ident);
+        formatter.field("generics", &self.generics);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.field("default", &self.default);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Type {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Type::Array(v0) => {
+                let mut formatter = formatter.debug_tuple("Array");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::BareFn(v0) => {
+                let mut formatter = formatter.debug_tuple("BareFn");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Group(v0) => {
+                let mut formatter = formatter.debug_tuple("Group");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::ImplTrait(v0) => {
+                let mut formatter = formatter.debug_tuple("ImplTrait");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Infer(v0) => {
+                let mut formatter = formatter.debug_tuple("Infer");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Macro(v0) => {
+                let mut formatter = formatter.debug_tuple("Macro");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Never(v0) => {
+                let mut formatter = formatter.debug_tuple("Never");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Paren(v0) => {
+                let mut formatter = formatter.debug_tuple("Paren");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Path(v0) => {
+                let mut formatter = formatter.debug_tuple("Path");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Ptr(v0) => {
+                let mut formatter = formatter.debug_tuple("Ptr");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Reference(v0) => {
+                let mut formatter = formatter.debug_tuple("Reference");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Slice(v0) => {
+                let mut formatter = formatter.debug_tuple("Slice");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::TraitObject(v0) => {
+                let mut formatter = formatter.debug_tuple("TraitObject");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Tuple(v0) => {
+                let mut formatter = formatter.debug_tuple("Tuple");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Type::Verbatim(v0) => {
+                let mut formatter = formatter.debug_tuple("Verbatim");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeArray {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeArray");
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("elem", &self.elem);
+        formatter.field("semi_token", &self.semi_token);
+        formatter.field("len", &self.len);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeBareFn {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeBareFn");
+        formatter.field("lifetimes", &self.lifetimes);
+        formatter.field("unsafety", &self.unsafety);
+        formatter.field("abi", &self.abi);
+        formatter.field("fn_token", &self.fn_token);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("inputs", &self.inputs);
+        formatter.field("variadic", &self.variadic);
+        formatter.field("output", &self.output);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeGroup {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeGroup");
+        formatter.field("group_token", &self.group_token);
+        formatter.field("elem", &self.elem);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeImplTrait {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeImplTrait");
+        formatter.field("impl_token", &self.impl_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeInfer {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeInfer");
+        formatter.field("underscore_token", &self.underscore_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeMacro {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeMacro");
+        formatter.field("mac", &self.mac);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeNever {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeNever");
+        formatter.field("bang_token", &self.bang_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeParam {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeParam");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("ident", &self.ident);
+        formatter.field("colon_token", &self.colon_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.field("eq_token", &self.eq_token);
+        formatter.field("default", &self.default);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeParamBound {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            TypeParamBound::Trait(v0) => {
+                let mut formatter = formatter.debug_tuple("Trait");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            TypeParamBound::Lifetime(v0) => {
+                let mut formatter = formatter.debug_tuple("Lifetime");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeParen {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeParen");
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("elem", &self.elem);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypePath {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypePath");
+        formatter.field("qself", &self.qself);
+        formatter.field("path", &self.path);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypePtr {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypePtr");
+        formatter.field("star_token", &self.star_token);
+        formatter.field("const_token", &self.const_token);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("elem", &self.elem);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeReference {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeReference");
+        formatter.field("and_token", &self.and_token);
+        formatter.field("lifetime", &self.lifetime);
+        formatter.field("mutability", &self.mutability);
+        formatter.field("elem", &self.elem);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeSlice {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeSlice");
+        formatter.field("bracket_token", &self.bracket_token);
+        formatter.field("elem", &self.elem);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeTraitObject {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeTraitObject");
+        formatter.field("dyn_token", &self.dyn_token);
+        formatter.field("bounds", &self.bounds);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for TypeTuple {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("TypeTuple");
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("elems", &self.elems);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for UnOp {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            UnOp::Deref(v0) => {
+                let mut formatter = formatter.debug_tuple("Deref");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UnOp::Not(v0) => {
+                let mut formatter = formatter.debug_tuple("Not");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UnOp::Neg(v0) => {
+                let mut formatter = formatter.debug_tuple("Neg");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UseGlob {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("UseGlob");
+        formatter.field("star_token", &self.star_token);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UseGroup {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("UseGroup");
+        formatter.field("brace_token", &self.brace_token);
+        formatter.field("items", &self.items);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UseName {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("UseName");
+        formatter.field("ident", &self.ident);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UsePath {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("UsePath");
+        formatter.field("ident", &self.ident);
+        formatter.field("colon2_token", &self.colon2_token);
+        formatter.field("tree", &self.tree);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UseRename {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("UseRename");
+        formatter.field("ident", &self.ident);
+        formatter.field("as_token", &self.as_token);
+        formatter.field("rename", &self.rename);
+        formatter.finish()
+    }
+}
+#[cfg(feature = "full")]
+impl Debug for UseTree {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            UseTree::Path(v0) => {
+                let mut formatter = formatter.debug_tuple("Path");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UseTree::Name(v0) => {
+                let mut formatter = formatter.debug_tuple("Name");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UseTree::Rename(v0) => {
+                let mut formatter = formatter.debug_tuple("Rename");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UseTree::Glob(v0) => {
+                let mut formatter = formatter.debug_tuple("Glob");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            UseTree::Group(v0) => {
+                let mut formatter = formatter.debug_tuple("Group");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Variadic {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Variadic");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("dots", &self.dots);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Variant {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("Variant");
+        formatter.field("attrs", &self.attrs);
+        formatter.field("ident", &self.ident);
+        formatter.field("fields", &self.fields);
+        formatter.field("discriminant", &self.discriminant);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for VisCrate {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("VisCrate");
+        formatter.field("crate_token", &self.crate_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for VisPublic {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("VisPublic");
+        formatter.field("pub_token", &self.pub_token);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for VisRestricted {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("VisRestricted");
+        formatter.field("pub_token", &self.pub_token);
+        formatter.field("paren_token", &self.paren_token);
+        formatter.field("in_token", &self.in_token);
+        formatter.field("path", &self.path);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for Visibility {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Visibility::Public(v0) => {
+                let mut formatter = formatter.debug_tuple("Public");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Visibility::Crate(v0) => {
+                let mut formatter = formatter.debug_tuple("Crate");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Visibility::Restricted(v0) => {
+                let mut formatter = formatter.debug_tuple("Restricted");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            Visibility::Inherited => formatter.write_str("Inherited"),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for WhereClause {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        let mut formatter = formatter.debug_struct("WhereClause");
+        formatter.field("where_token", &self.where_token);
+        formatter.field("predicates", &self.predicates);
+        formatter.finish()
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Debug for WherePredicate {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            WherePredicate::Type(v0) => {
+                let mut formatter = formatter.debug_tuple("Type");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            WherePredicate::Lifetime(v0) => {
+                let mut formatter = formatter.debug_tuple("Lifetime");
+                formatter.field(v0);
+                formatter.finish()
+            }
+            WherePredicate::Eq(v0) => {
+                let mut formatter = formatter.debug_tuple("Eq");
+                formatter.field(v0);
+                formatter.finish()
+            }
+        }
+    }
+}
diff --git a/src/gen/eq.rs b/src/gen/eq.rs
new file mode 100644
index 00000000..15b2bcbb
--- /dev/null
+++ b/src/gen/eq.rs
@@ -0,0 +1,1930 @@
+// This file is @generated by syn-internal-codegen.
+// It is not intended for manual editing.
+
+#[cfg(any(feature = "derive", feature = "full"))]
+use crate::tt::TokenStreamHelper;
+use crate::*;
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Abi {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Abi {
+    fn eq(&self, other: &Self) -> bool {
+        self.name == other.name
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for AngleBracketedGenericArguments {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for AngleBracketedGenericArguments {
+    fn eq(&self, other: &Self) -> bool {
+        self.colon2_token == other.colon2_token && self.args == other.args
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Arm {}
+#[cfg(feature = "full")]
+impl PartialEq for Arm {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.pat == other.pat
+            && self.guard == other.guard
+            && self.body == other.body
+            && self.comma == other.comma
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for AttrStyle {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for AttrStyle {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (AttrStyle::Outer, AttrStyle::Outer) => true,
+            (AttrStyle::Inner(_), AttrStyle::Inner(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Attribute {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Attribute {
+    fn eq(&self, other: &Self) -> bool {
+        self.style == other.style
+            && self.path == other.path
+            && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for BareFnArg {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for BareFnArg {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.name == other.name && self.ty == other.ty
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for BinOp {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for BinOp {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (BinOp::Add(_), BinOp::Add(_)) => true,
+            (BinOp::Sub(_), BinOp::Sub(_)) => true,
+            (BinOp::Mul(_), BinOp::Mul(_)) => true,
+            (BinOp::Div(_), BinOp::Div(_)) => true,
+            (BinOp::Rem(_), BinOp::Rem(_)) => true,
+            (BinOp::And(_), BinOp::And(_)) => true,
+            (BinOp::Or(_), BinOp::Or(_)) => true,
+            (BinOp::BitXor(_), BinOp::BitXor(_)) => true,
+            (BinOp::BitAnd(_), BinOp::BitAnd(_)) => true,
+            (BinOp::BitOr(_), BinOp::BitOr(_)) => true,
+            (BinOp::Shl(_), BinOp::Shl(_)) => true,
+            (BinOp::Shr(_), BinOp::Shr(_)) => true,
+            (BinOp::Eq(_), BinOp::Eq(_)) => true,
+            (BinOp::Lt(_), BinOp::Lt(_)) => true,
+            (BinOp::Le(_), BinOp::Le(_)) => true,
+            (BinOp::Ne(_), BinOp::Ne(_)) => true,
+            (BinOp::Ge(_), BinOp::Ge(_)) => true,
+            (BinOp::Gt(_), BinOp::Gt(_)) => true,
+            (BinOp::AddEq(_), BinOp::AddEq(_)) => true,
+            (BinOp::SubEq(_), BinOp::SubEq(_)) => true,
+            (BinOp::MulEq(_), BinOp::MulEq(_)) => true,
+            (BinOp::DivEq(_), BinOp::DivEq(_)) => true,
+            (BinOp::RemEq(_), BinOp::RemEq(_)) => true,
+            (BinOp::BitXorEq(_), BinOp::BitXorEq(_)) => true,
+            (BinOp::BitAndEq(_), BinOp::BitAndEq(_)) => true,
+            (BinOp::BitOrEq(_), BinOp::BitOrEq(_)) => true,
+            (BinOp::ShlEq(_), BinOp::ShlEq(_)) => true,
+            (BinOp::ShrEq(_), BinOp::ShrEq(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Binding {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Binding {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Block {}
+#[cfg(feature = "full")]
+impl PartialEq for Block {
+    fn eq(&self, other: &Self) -> bool {
+        self.stmts == other.stmts
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for BoundLifetimes {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for BoundLifetimes {
+    fn eq(&self, other: &Self) -> bool {
+        self.lifetimes == other.lifetimes
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ConstParam {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ConstParam {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.ty == other.ty
+            && self.eq_token == other.eq_token
+            && self.default == other.default
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Constraint {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Constraint {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident && self.bounds == other.bounds
+    }
+}
+#[cfg(feature = "derive")]
+impl Eq for Data {}
+#[cfg(feature = "derive")]
+impl PartialEq for Data {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Data::Struct(self0), Data::Struct(other0)) => self0 == other0,
+            (Data::Enum(self0), Data::Enum(other0)) => self0 == other0,
+            (Data::Union(self0), Data::Union(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Eq for DataEnum {}
+#[cfg(feature = "derive")]
+impl PartialEq for DataEnum {
+    fn eq(&self, other: &Self) -> bool {
+        self.variants == other.variants
+    }
+}
+#[cfg(feature = "derive")]
+impl Eq for DataStruct {}
+#[cfg(feature = "derive")]
+impl PartialEq for DataStruct {
+    fn eq(&self, other: &Self) -> bool {
+        self.fields == other.fields && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "derive")]
+impl Eq for DataUnion {}
+#[cfg(feature = "derive")]
+impl PartialEq for DataUnion {
+    fn eq(&self, other: &Self) -> bool {
+        self.fields == other.fields
+    }
+}
+#[cfg(feature = "derive")]
+impl Eq for DeriveInput {}
+#[cfg(feature = "derive")]
+impl PartialEq for DeriveInput {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.data == other.data
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Expr {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Expr {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            #[cfg(feature = "full")]
+            (Expr::Array(self0), Expr::Array(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Assign(self0), Expr::Assign(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::AssignOp(self0), Expr::AssignOp(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Async(self0), Expr::Async(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Await(self0), Expr::Await(other0)) => self0 == other0,
+            (Expr::Binary(self0), Expr::Binary(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Block(self0), Expr::Block(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Box(self0), Expr::Box(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Break(self0), Expr::Break(other0)) => self0 == other0,
+            (Expr::Call(self0), Expr::Call(other0)) => self0 == other0,
+            (Expr::Cast(self0), Expr::Cast(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Closure(self0), Expr::Closure(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Continue(self0), Expr::Continue(other0)) => self0 == other0,
+            (Expr::Field(self0), Expr::Field(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::ForLoop(self0), Expr::ForLoop(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Group(self0), Expr::Group(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::If(self0), Expr::If(other0)) => self0 == other0,
+            (Expr::Index(self0), Expr::Index(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Let(self0), Expr::Let(other0)) => self0 == other0,
+            (Expr::Lit(self0), Expr::Lit(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Loop(self0), Expr::Loop(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Macro(self0), Expr::Macro(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Match(self0), Expr::Match(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::MethodCall(self0), Expr::MethodCall(other0)) => self0 == other0,
+            (Expr::Paren(self0), Expr::Paren(other0)) => self0 == other0,
+            (Expr::Path(self0), Expr::Path(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Range(self0), Expr::Range(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Reference(self0), Expr::Reference(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Repeat(self0), Expr::Repeat(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Return(self0), Expr::Return(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Struct(self0), Expr::Struct(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Try(self0), Expr::Try(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::TryBlock(self0), Expr::TryBlock(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Tuple(self0), Expr::Tuple(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Type(self0), Expr::Type(other0)) => self0 == other0,
+            (Expr::Unary(self0), Expr::Unary(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Unsafe(self0), Expr::Unsafe(other0)) => self0 == other0,
+            (Expr::Verbatim(self0), Expr::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            #[cfg(feature = "full")]
+            (Expr::While(self0), Expr::While(other0)) => self0 == other0,
+            #[cfg(feature = "full")]
+            (Expr::Yield(self0), Expr::Yield(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprArray {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprArray {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.elems == other.elems
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprAssign {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprAssign {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.left == other.left && self.right == other.right
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprAssignOp {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprAssignOp {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.left == other.left
+            && self.op == other.op
+            && self.right == other.right
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprAsync {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprAsync {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.capture == other.capture && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprAwait {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprAwait {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.base == other.base
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprBinary {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprBinary {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.left == other.left
+            && self.op == other.op
+            && self.right == other.right
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprBlock {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprBlock {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.label == other.label && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprBox {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprBox {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprBreak {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprBreak {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.label == other.label && self.expr == other.expr
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprCall {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprCall {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.func == other.func && self.args == other.args
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprCast {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprCast {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprClosure {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprClosure {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.asyncness == other.asyncness
+            && self.movability == other.movability
+            && self.capture == other.capture
+            && self.inputs == other.inputs
+            && self.output == other.output
+            && self.body == other.body
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprContinue {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprContinue {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.label == other.label
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprField {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprField {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.base == other.base && self.member == other.member
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprForLoop {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprForLoop {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.label == other.label
+            && self.pat == other.pat
+            && self.expr == other.expr
+            && self.body == other.body
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprGroup {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprGroup {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprIf {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprIf {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.cond == other.cond
+            && self.then_branch == other.then_branch
+            && self.else_branch == other.else_branch
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprIndex {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprIndex {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr && self.index == other.index
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprLet {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprLet {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.pat == other.pat && self.expr == other.expr
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprLit {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprLit {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.lit == other.lit
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprLoop {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprLoop {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.label == other.label && self.body == other.body
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mac == other.mac
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprMatch {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprMatch {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr && self.arms == other.arms
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprMethodCall {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprMethodCall {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.receiver == other.receiver
+            && self.method == other.method
+            && self.turbofish == other.turbofish
+            && self.args == other.args
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprParen {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprParen {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprPath {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprPath {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.qself == other.qself && self.path == other.path
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprRange {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprRange {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.from == other.from
+            && self.limits == other.limits
+            && self.to == other.to
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprReference {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprReference {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mutability == other.mutability && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprRepeat {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprRepeat {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr && self.len == other.len
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprReturn {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprReturn {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprStruct {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprStruct {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.path == other.path
+            && self.fields == other.fields
+            && self.dot2_token == other.dot2_token
+            && self.rest == other.rest
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprTry {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprTry {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprTryBlock {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprTryBlock {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprTuple {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprTuple {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.elems == other.elems
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprType {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr && self.ty == other.ty
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ExprUnary {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ExprUnary {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.op == other.op && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprUnsafe {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprUnsafe {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprWhile {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprWhile {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.label == other.label
+            && self.cond == other.cond
+            && self.body == other.body
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ExprYield {}
+#[cfg(feature = "full")]
+impl PartialEq for ExprYield {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Field {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Field {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.colon_token == other.colon_token
+            && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for FieldPat {}
+#[cfg(feature = "full")]
+impl PartialEq for FieldPat {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.member == other.member
+            && self.colon_token == other.colon_token
+            && self.pat == other.pat
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for FieldValue {}
+#[cfg(feature = "full")]
+impl PartialEq for FieldValue {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.member == other.member
+            && self.colon_token == other.colon_token
+            && self.expr == other.expr
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Fields {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Fields {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Fields::Named(self0), Fields::Named(other0)) => self0 == other0,
+            (Fields::Unnamed(self0), Fields::Unnamed(other0)) => self0 == other0,
+            (Fields::Unit, Fields::Unit) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for FieldsNamed {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for FieldsNamed {
+    fn eq(&self, other: &Self) -> bool {
+        self.named == other.named
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for FieldsUnnamed {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for FieldsUnnamed {
+    fn eq(&self, other: &Self) -> bool {
+        self.unnamed == other.unnamed
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for File {}
+#[cfg(feature = "full")]
+impl PartialEq for File {
+    fn eq(&self, other: &Self) -> bool {
+        self.shebang == other.shebang && self.attrs == other.attrs && self.items == other.items
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for FnArg {}
+#[cfg(feature = "full")]
+impl PartialEq for FnArg {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (FnArg::Receiver(self0), FnArg::Receiver(other0)) => self0 == other0,
+            (FnArg::Typed(self0), FnArg::Typed(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ForeignItem {}
+#[cfg(feature = "full")]
+impl PartialEq for ForeignItem {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (ForeignItem::Fn(self0), ForeignItem::Fn(other0)) => self0 == other0,
+            (ForeignItem::Static(self0), ForeignItem::Static(other0)) => self0 == other0,
+            (ForeignItem::Type(self0), ForeignItem::Type(other0)) => self0 == other0,
+            (ForeignItem::Macro(self0), ForeignItem::Macro(other0)) => self0 == other0,
+            (ForeignItem::Verbatim(self0), ForeignItem::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ForeignItemFn {}
+#[cfg(feature = "full")]
+impl PartialEq for ForeignItemFn {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.vis == other.vis && self.sig == other.sig
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ForeignItemMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for ForeignItemMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ForeignItemStatic {}
+#[cfg(feature = "full")]
+impl PartialEq for ForeignItemStatic {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.mutability == other.mutability
+            && self.ident == other.ident
+            && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ForeignItemType {}
+#[cfg(feature = "full")]
+impl PartialEq for ForeignItemType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.vis == other.vis && self.ident == other.ident
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for GenericArgument {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for GenericArgument {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (GenericArgument::Lifetime(self0), GenericArgument::Lifetime(other0)) => {
+                self0 == other0
+            }
+            (GenericArgument::Type(self0), GenericArgument::Type(other0)) => self0 == other0,
+            (GenericArgument::Binding(self0), GenericArgument::Binding(other0)) => self0 == other0,
+            (GenericArgument::Constraint(self0), GenericArgument::Constraint(other0)) => {
+                self0 == other0
+            }
+            (GenericArgument::Const(self0), GenericArgument::Const(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for GenericMethodArgument {}
+#[cfg(feature = "full")]
+impl PartialEq for GenericMethodArgument {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (GenericMethodArgument::Type(self0), GenericMethodArgument::Type(other0)) => {
+                self0 == other0
+            }
+            (GenericMethodArgument::Const(self0), GenericMethodArgument::Const(other0)) => {
+                self0 == other0
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for GenericParam {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for GenericParam {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (GenericParam::Type(self0), GenericParam::Type(other0)) => self0 == other0,
+            (GenericParam::Lifetime(self0), GenericParam::Lifetime(other0)) => self0 == other0,
+            (GenericParam::Const(self0), GenericParam::Const(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Generics {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Generics {
+    fn eq(&self, other: &Self) -> bool {
+        self.lt_token == other.lt_token
+            && self.params == other.params
+            && self.gt_token == other.gt_token
+            && self.where_clause == other.where_clause
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ImplItem {}
+#[cfg(feature = "full")]
+impl PartialEq for ImplItem {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (ImplItem::Const(self0), ImplItem::Const(other0)) => self0 == other0,
+            (ImplItem::Method(self0), ImplItem::Method(other0)) => self0 == other0,
+            (ImplItem::Type(self0), ImplItem::Type(other0)) => self0 == other0,
+            (ImplItem::Macro(self0), ImplItem::Macro(other0)) => self0 == other0,
+            (ImplItem::Verbatim(self0), ImplItem::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ImplItemConst {}
+#[cfg(feature = "full")]
+impl PartialEq for ImplItemConst {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.defaultness == other.defaultness
+            && self.ident == other.ident
+            && self.ty == other.ty
+            && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ImplItemMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for ImplItemMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ImplItemMethod {}
+#[cfg(feature = "full")]
+impl PartialEq for ImplItemMethod {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.defaultness == other.defaultness
+            && self.sig == other.sig
+            && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ImplItemType {}
+#[cfg(feature = "full")]
+impl PartialEq for ImplItemType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.defaultness == other.defaultness
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Item {}
+#[cfg(feature = "full")]
+impl PartialEq for Item {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Item::Const(self0), Item::Const(other0)) => self0 == other0,
+            (Item::Enum(self0), Item::Enum(other0)) => self0 == other0,
+            (Item::ExternCrate(self0), Item::ExternCrate(other0)) => self0 == other0,
+            (Item::Fn(self0), Item::Fn(other0)) => self0 == other0,
+            (Item::ForeignMod(self0), Item::ForeignMod(other0)) => self0 == other0,
+            (Item::Impl(self0), Item::Impl(other0)) => self0 == other0,
+            (Item::Macro(self0), Item::Macro(other0)) => self0 == other0,
+            (Item::Macro2(self0), Item::Macro2(other0)) => self0 == other0,
+            (Item::Mod(self0), Item::Mod(other0)) => self0 == other0,
+            (Item::Static(self0), Item::Static(other0)) => self0 == other0,
+            (Item::Struct(self0), Item::Struct(other0)) => self0 == other0,
+            (Item::Trait(self0), Item::Trait(other0)) => self0 == other0,
+            (Item::TraitAlias(self0), Item::TraitAlias(other0)) => self0 == other0,
+            (Item::Type(self0), Item::Type(other0)) => self0 == other0,
+            (Item::Union(self0), Item::Union(other0)) => self0 == other0,
+            (Item::Use(self0), Item::Use(other0)) => self0 == other0,
+            (Item::Verbatim(self0), Item::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemConst {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemConst {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.ty == other.ty
+            && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemEnum {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemEnum {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.variants == other.variants
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemExternCrate {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemExternCrate {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.rename == other.rename
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemFn {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemFn {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.sig == other.sig
+            && self.block == other.block
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemForeignMod {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemForeignMod {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.abi == other.abi && self.items == other.items
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemImpl {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemImpl {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.defaultness == other.defaultness
+            && self.unsafety == other.unsafety
+            && self.generics == other.generics
+            && self.trait_ == other.trait_
+            && self.self_ty == other.self_ty
+            && self.items == other.items
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.mac == other.mac
+            && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemMacro2 {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemMacro2 {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && TokenStreamHelper(&self.rules) == TokenStreamHelper(&other.rules)
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemMod {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemMod {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.content == other.content
+            && self.semi == other.semi
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemStatic {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemStatic {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.mutability == other.mutability
+            && self.ident == other.ident
+            && self.ty == other.ty
+            && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemStruct {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemStruct {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.fields == other.fields
+            && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemTrait {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemTrait {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.unsafety == other.unsafety
+            && self.auto_token == other.auto_token
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.colon_token == other.colon_token
+            && self.supertraits == other.supertraits
+            && self.items == other.items
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemTraitAlias {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemTraitAlias {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.bounds == other.bounds
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemType {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemUnion {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemUnion {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.fields == other.fields
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for ItemUse {}
+#[cfg(feature = "full")]
+impl PartialEq for ItemUse {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.vis == other.vis
+            && self.leading_colon == other.leading_colon
+            && self.tree == other.tree
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Label {}
+#[cfg(feature = "full")]
+impl PartialEq for Label {
+    fn eq(&self, other: &Self) -> bool {
+        self.name == other.name
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for LifetimeDef {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for LifetimeDef {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.lifetime == other.lifetime
+            && self.colon_token == other.colon_token
+            && self.bounds == other.bounds
+    }
+}
+impl Eq for Lit {}
+impl PartialEq for Lit {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Lit::Str(self0), Lit::Str(other0)) => self0 == other0,
+            (Lit::ByteStr(self0), Lit::ByteStr(other0)) => self0 == other0,
+            (Lit::Byte(self0), Lit::Byte(other0)) => self0 == other0,
+            (Lit::Char(self0), Lit::Char(other0)) => self0 == other0,
+            (Lit::Int(self0), Lit::Int(other0)) => self0 == other0,
+            (Lit::Float(self0), Lit::Float(other0)) => self0 == other0,
+            (Lit::Bool(self0), Lit::Bool(other0)) => self0 == other0,
+            (Lit::Verbatim(self0), Lit::Verbatim(other0)) => {
+                self0.to_string() == other0.to_string()
+            }
+            _ => false,
+        }
+    }
+}
+impl Eq for LitBool {}
+impl PartialEq for LitBool {
+    fn eq(&self, other: &Self) -> bool {
+        self.value == other.value
+    }
+}
+impl Eq for LitByte {}
+impl Eq for LitByteStr {}
+impl Eq for LitChar {}
+impl Eq for LitFloat {}
+impl Eq for LitInt {}
+impl Eq for LitStr {}
+#[cfg(feature = "full")]
+impl Eq for Local {}
+#[cfg(feature = "full")]
+impl PartialEq for Local {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.pat == other.pat && self.init == other.init
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Macro {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Macro {
+    fn eq(&self, other: &Self) -> bool {
+        self.path == other.path
+            && self.delimiter == other.delimiter
+            && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for MacroDelimiter {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for MacroDelimiter {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (MacroDelimiter::Paren(_), MacroDelimiter::Paren(_)) => true,
+            (MacroDelimiter::Brace(_), MacroDelimiter::Brace(_)) => true,
+            (MacroDelimiter::Bracket(_), MacroDelimiter::Bracket(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Meta {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Meta {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Meta::Path(self0), Meta::Path(other0)) => self0 == other0,
+            (Meta::List(self0), Meta::List(other0)) => self0 == other0,
+            (Meta::NameValue(self0), Meta::NameValue(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for MetaList {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for MetaList {
+    fn eq(&self, other: &Self) -> bool {
+        self.path == other.path && self.nested == other.nested
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for MetaNameValue {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for MetaNameValue {
+    fn eq(&self, other: &Self) -> bool {
+        self.path == other.path && self.lit == other.lit
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for MethodTurbofish {}
+#[cfg(feature = "full")]
+impl PartialEq for MethodTurbofish {
+    fn eq(&self, other: &Self) -> bool {
+        self.args == other.args
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for NestedMeta {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for NestedMeta {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (NestedMeta::Meta(self0), NestedMeta::Meta(other0)) => self0 == other0,
+            (NestedMeta::Lit(self0), NestedMeta::Lit(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ParenthesizedGenericArguments {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ParenthesizedGenericArguments {
+    fn eq(&self, other: &Self) -> bool {
+        self.inputs == other.inputs && self.output == other.output
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Pat {}
+#[cfg(feature = "full")]
+impl PartialEq for Pat {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Pat::Box(self0), Pat::Box(other0)) => self0 == other0,
+            (Pat::Ident(self0), Pat::Ident(other0)) => self0 == other0,
+            (Pat::Lit(self0), Pat::Lit(other0)) => self0 == other0,
+            (Pat::Macro(self0), Pat::Macro(other0)) => self0 == other0,
+            (Pat::Or(self0), Pat::Or(other0)) => self0 == other0,
+            (Pat::Path(self0), Pat::Path(other0)) => self0 == other0,
+            (Pat::Range(self0), Pat::Range(other0)) => self0 == other0,
+            (Pat::Reference(self0), Pat::Reference(other0)) => self0 == other0,
+            (Pat::Rest(self0), Pat::Rest(other0)) => self0 == other0,
+            (Pat::Slice(self0), Pat::Slice(other0)) => self0 == other0,
+            (Pat::Struct(self0), Pat::Struct(other0)) => self0 == other0,
+            (Pat::Tuple(self0), Pat::Tuple(other0)) => self0 == other0,
+            (Pat::TupleStruct(self0), Pat::TupleStruct(other0)) => self0 == other0,
+            (Pat::Type(self0), Pat::Type(other0)) => self0 == other0,
+            (Pat::Verbatim(self0), Pat::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            (Pat::Wild(self0), Pat::Wild(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatBox {}
+#[cfg(feature = "full")]
+impl PartialEq for PatBox {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.pat == other.pat
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatIdent {}
+#[cfg(feature = "full")]
+impl PartialEq for PatIdent {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.by_ref == other.by_ref
+            && self.mutability == other.mutability
+            && self.ident == other.ident
+            && self.subpat == other.subpat
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatLit {}
+#[cfg(feature = "full")]
+impl PartialEq for PatLit {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.expr == other.expr
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for PatMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mac == other.mac
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatOr {}
+#[cfg(feature = "full")]
+impl PartialEq for PatOr {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.leading_vert == other.leading_vert
+            && self.cases == other.cases
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatPath {}
+#[cfg(feature = "full")]
+impl PartialEq for PatPath {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.qself == other.qself && self.path == other.path
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatRange {}
+#[cfg(feature = "full")]
+impl PartialEq for PatRange {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.lo == other.lo
+            && self.limits == other.limits
+            && self.hi == other.hi
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatReference {}
+#[cfg(feature = "full")]
+impl PartialEq for PatReference {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mutability == other.mutability && self.pat == other.pat
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatRest {}
+#[cfg(feature = "full")]
+impl PartialEq for PatRest {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatSlice {}
+#[cfg(feature = "full")]
+impl PartialEq for PatSlice {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.elems == other.elems
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatStruct {}
+#[cfg(feature = "full")]
+impl PartialEq for PatStruct {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.path == other.path
+            && self.fields == other.fields
+            && self.dot2_token == other.dot2_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatTuple {}
+#[cfg(feature = "full")]
+impl PartialEq for PatTuple {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.elems == other.elems
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatTupleStruct {}
+#[cfg(feature = "full")]
+impl PartialEq for PatTupleStruct {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.path == other.path && self.pat == other.pat
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatType {}
+#[cfg(feature = "full")]
+impl PartialEq for PatType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.pat == other.pat && self.ty == other.ty
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for PatWild {}
+#[cfg(feature = "full")]
+impl PartialEq for PatWild {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Path {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Path {
+    fn eq(&self, other: &Self) -> bool {
+        self.leading_colon == other.leading_colon && self.segments == other.segments
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for PathArguments {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for PathArguments {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (PathArguments::None, PathArguments::None) => true,
+            (PathArguments::AngleBracketed(self0), PathArguments::AngleBracketed(other0)) => {
+                self0 == other0
+            }
+            (PathArguments::Parenthesized(self0), PathArguments::Parenthesized(other0)) => {
+                self0 == other0
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for PathSegment {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for PathSegment {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident && self.arguments == other.arguments
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for PredicateEq {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for PredicateEq {
+    fn eq(&self, other: &Self) -> bool {
+        self.lhs_ty == other.lhs_ty && self.rhs_ty == other.rhs_ty
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for PredicateLifetime {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for PredicateLifetime {
+    fn eq(&self, other: &Self) -> bool {
+        self.lifetime == other.lifetime && self.bounds == other.bounds
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for PredicateType {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for PredicateType {
+    fn eq(&self, other: &Self) -> bool {
+        self.lifetimes == other.lifetimes
+            && self.bounded_ty == other.bounded_ty
+            && self.bounds == other.bounds
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for QSelf {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for QSelf {
+    fn eq(&self, other: &Self) -> bool {
+        self.ty == other.ty && self.position == other.position && self.as_token == other.as_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for RangeLimits {}
+#[cfg(feature = "full")]
+impl PartialEq for RangeLimits {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (RangeLimits::HalfOpen(_), RangeLimits::HalfOpen(_)) => true,
+            (RangeLimits::Closed(_), RangeLimits::Closed(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Receiver {}
+#[cfg(feature = "full")]
+impl PartialEq for Receiver {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.reference == other.reference
+            && self.mutability == other.mutability
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for ReturnType {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for ReturnType {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (ReturnType::Default, ReturnType::Default) => true,
+            (ReturnType::Type(_, self1), ReturnType::Type(_, other1)) => self1 == other1,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Signature {}
+#[cfg(feature = "full")]
+impl PartialEq for Signature {
+    fn eq(&self, other: &Self) -> bool {
+        self.constness == other.constness
+            && self.asyncness == other.asyncness
+            && self.unsafety == other.unsafety
+            && self.abi == other.abi
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.inputs == other.inputs
+            && self.variadic == other.variadic
+            && self.output == other.output
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for Stmt {}
+#[cfg(feature = "full")]
+impl PartialEq for Stmt {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Stmt::Local(self0), Stmt::Local(other0)) => self0 == other0,
+            (Stmt::Item(self0), Stmt::Item(other0)) => self0 == other0,
+            (Stmt::Expr(self0), Stmt::Expr(other0)) => self0 == other0,
+            (Stmt::Semi(self0, _), Stmt::Semi(other0, _)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TraitBound {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TraitBound {
+    fn eq(&self, other: &Self) -> bool {
+        self.paren_token == other.paren_token
+            && self.modifier == other.modifier
+            && self.lifetimes == other.lifetimes
+            && self.path == other.path
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TraitBoundModifier {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TraitBoundModifier {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (TraitBoundModifier::None, TraitBoundModifier::None) => true,
+            (TraitBoundModifier::Maybe(_), TraitBoundModifier::Maybe(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for TraitItem {}
+#[cfg(feature = "full")]
+impl PartialEq for TraitItem {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (TraitItem::Const(self0), TraitItem::Const(other0)) => self0 == other0,
+            (TraitItem::Method(self0), TraitItem::Method(other0)) => self0 == other0,
+            (TraitItem::Type(self0), TraitItem::Type(other0)) => self0 == other0,
+            (TraitItem::Macro(self0), TraitItem::Macro(other0)) => self0 == other0,
+            (TraitItem::Verbatim(self0), TraitItem::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for TraitItemConst {}
+#[cfg(feature = "full")]
+impl PartialEq for TraitItemConst {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.ty == other.ty
+            && self.default == other.default
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for TraitItemMacro {}
+#[cfg(feature = "full")]
+impl PartialEq for TraitItemMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs && self.mac == other.mac && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for TraitItemMethod {}
+#[cfg(feature = "full")]
+impl PartialEq for TraitItemMethod {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.sig == other.sig
+            && self.default == other.default
+            && self.semi_token == other.semi_token
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for TraitItemType {}
+#[cfg(feature = "full")]
+impl PartialEq for TraitItemType {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.generics == other.generics
+            && self.colon_token == other.colon_token
+            && self.bounds == other.bounds
+            && self.default == other.default
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Type {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Type {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Type::Array(self0), Type::Array(other0)) => self0 == other0,
+            (Type::BareFn(self0), Type::BareFn(other0)) => self0 == other0,
+            (Type::Group(self0), Type::Group(other0)) => self0 == other0,
+            (Type::ImplTrait(self0), Type::ImplTrait(other0)) => self0 == other0,
+            (Type::Infer(self0), Type::Infer(other0)) => self0 == other0,
+            (Type::Macro(self0), Type::Macro(other0)) => self0 == other0,
+            (Type::Never(self0), Type::Never(other0)) => self0 == other0,
+            (Type::Paren(self0), Type::Paren(other0)) => self0 == other0,
+            (Type::Path(self0), Type::Path(other0)) => self0 == other0,
+            (Type::Ptr(self0), Type::Ptr(other0)) => self0 == other0,
+            (Type::Reference(self0), Type::Reference(other0)) => self0 == other0,
+            (Type::Slice(self0), Type::Slice(other0)) => self0 == other0,
+            (Type::TraitObject(self0), Type::TraitObject(other0)) => self0 == other0,
+            (Type::Tuple(self0), Type::Tuple(other0)) => self0 == other0,
+            (Type::Verbatim(self0), Type::Verbatim(other0)) => {
+                TokenStreamHelper(self0) == TokenStreamHelper(other0)
+            }
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeArray {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeArray {
+    fn eq(&self, other: &Self) -> bool {
+        self.elem == other.elem && self.len == other.len
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeBareFn {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeBareFn {
+    fn eq(&self, other: &Self) -> bool {
+        self.lifetimes == other.lifetimes
+            && self.unsafety == other.unsafety
+            && self.abi == other.abi
+            && self.inputs == other.inputs
+            && self.variadic == other.variadic
+            && self.output == other.output
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeGroup {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeGroup {
+    fn eq(&self, other: &Self) -> bool {
+        self.elem == other.elem
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeImplTrait {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeImplTrait {
+    fn eq(&self, other: &Self) -> bool {
+        self.bounds == other.bounds
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeInfer {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeInfer {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeMacro {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeMacro {
+    fn eq(&self, other: &Self) -> bool {
+        self.mac == other.mac
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeNever {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeNever {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeParam {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeParam {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.colon_token == other.colon_token
+            && self.bounds == other.bounds
+            && self.eq_token == other.eq_token
+            && self.default == other.default
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeParamBound {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeParamBound {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (TypeParamBound::Trait(self0), TypeParamBound::Trait(other0)) => self0 == other0,
+            (TypeParamBound::Lifetime(self0), TypeParamBound::Lifetime(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeParen {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeParen {
+    fn eq(&self, other: &Self) -> bool {
+        self.elem == other.elem
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypePath {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypePath {
+    fn eq(&self, other: &Self) -> bool {
+        self.qself == other.qself && self.path == other.path
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypePtr {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypePtr {
+    fn eq(&self, other: &Self) -> bool {
+        self.const_token == other.const_token
+            && self.mutability == other.mutability
+            && self.elem == other.elem
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeReference {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeReference {
+    fn eq(&self, other: &Self) -> bool {
+        self.lifetime == other.lifetime
+            && self.mutability == other.mutability
+            && self.elem == other.elem
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeSlice {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeSlice {
+    fn eq(&self, other: &Self) -> bool {
+        self.elem == other.elem
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeTraitObject {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeTraitObject {
+    fn eq(&self, other: &Self) -> bool {
+        self.dyn_token == other.dyn_token && self.bounds == other.bounds
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for TypeTuple {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for TypeTuple {
+    fn eq(&self, other: &Self) -> bool {
+        self.elems == other.elems
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for UnOp {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for UnOp {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (UnOp::Deref(_), UnOp::Deref(_)) => true,
+            (UnOp::Not(_), UnOp::Not(_)) => true,
+            (UnOp::Neg(_), UnOp::Neg(_)) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UseGlob {}
+#[cfg(feature = "full")]
+impl PartialEq for UseGlob {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UseGroup {}
+#[cfg(feature = "full")]
+impl PartialEq for UseGroup {
+    fn eq(&self, other: &Self) -> bool {
+        self.items == other.items
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UseName {}
+#[cfg(feature = "full")]
+impl PartialEq for UseName {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UsePath {}
+#[cfg(feature = "full")]
+impl PartialEq for UsePath {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident && self.tree == other.tree
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UseRename {}
+#[cfg(feature = "full")]
+impl PartialEq for UseRename {
+    fn eq(&self, other: &Self) -> bool {
+        self.ident == other.ident && self.rename == other.rename
+    }
+}
+#[cfg(feature = "full")]
+impl Eq for UseTree {}
+#[cfg(feature = "full")]
+impl PartialEq for UseTree {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (UseTree::Path(self0), UseTree::Path(other0)) => self0 == other0,
+            (UseTree::Name(self0), UseTree::Name(other0)) => self0 == other0,
+            (UseTree::Rename(self0), UseTree::Rename(other0)) => self0 == other0,
+            (UseTree::Glob(self0), UseTree::Glob(other0)) => self0 == other0,
+            (UseTree::Group(self0), UseTree::Group(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Variadic {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Variadic {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Variant {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Variant {
+    fn eq(&self, other: &Self) -> bool {
+        self.attrs == other.attrs
+            && self.ident == other.ident
+            && self.fields == other.fields
+            && self.discriminant == other.discriminant
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for VisCrate {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for VisCrate {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for VisPublic {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for VisPublic {
+    fn eq(&self, _other: &Self) -> bool {
+        true
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for VisRestricted {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for VisRestricted {
+    fn eq(&self, other: &Self) -> bool {
+        self.in_token == other.in_token && self.path == other.path
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for Visibility {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for Visibility {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Visibility::Public(self0), Visibility::Public(other0)) => self0 == other0,
+            (Visibility::Crate(self0), Visibility::Crate(other0)) => self0 == other0,
+            (Visibility::Restricted(self0), Visibility::Restricted(other0)) => self0 == other0,
+            (Visibility::Inherited, Visibility::Inherited) => true,
+            _ => false,
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for WhereClause {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for WhereClause {
+    fn eq(&self, other: &Self) -> bool {
+        self.predicates == other.predicates
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Eq for WherePredicate {}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl PartialEq for WherePredicate {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (WherePredicate::Type(self0), WherePredicate::Type(other0)) => self0 == other0,
+            (WherePredicate::Lifetime(self0), WherePredicate::Lifetime(other0)) => self0 == other0,
+            (WherePredicate::Eq(self0), WherePredicate::Eq(other0)) => self0 == other0,
+            _ => false,
+        }
+    }
+}
diff --git a/src/gen/fold.rs b/src/gen/fold.rs
index ec1bcfda..d9dd32a4 100644
--- a/src/gen/fold.rs
+++ b/src/gen/fold.rs
@@ -792,10 +792,10 @@ where
     F: Fold + ?Sized,
 {
     AngleBracketedGenericArguments {
-        colon2_token: (node.colon2_token).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
-        lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
+        colon2_token: (node.colon2_token).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
+        lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
         args: FoldHelper::lift(node.args, |it| f.fold_generic_argument(it)),
-        gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
+        gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -812,9 +812,9 @@ where
                 Box::new(f.fold_expr(*(it).1)),
             )
         }),
-        fat_arrow_token: Token ! [ => ](tokens_helper(f, &node.fat_arrow_token.spans)),
+        fat_arrow_token: Token ! [=>](tokens_helper(f, &node.fat_arrow_token.spans)),
         body: Box::new(f.fold_expr(*node.body)),
-        comma: (node.comma).map(|it| Token ! [ , ](tokens_helper(f, &it.spans))),
+        comma: (node.comma).map(|it| Token ! [,](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -835,7 +835,7 @@ where
     F: Fold + ?Sized,
 {
     Attribute {
-        pound_token: Token ! [ # ](tokens_helper(f, &node.pound_token.spans)),
+        pound_token: Token ! [#](tokens_helper(f, &node.pound_token.spans)),
         style: f.fold_attr_style(node.style),
         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
         path: f.fold_path(node.path),
@@ -852,7 +852,7 @@ where
         name: (node.name).map(|it| {
             (
                 f.fold_ident((it).0),
-                Token ! [ : ](tokens_helper(f, &(it).1.spans)),
+                Token ! [:](tokens_helper(f, &(it).1.spans)),
             )
         }),
         ty: f.fold_type(node.ty),
@@ -864,59 +864,47 @@ where
     F: Fold + ?Sized,
 {
     match node {
-        BinOp::Add(_binding_0) => BinOp::Add(Token ! [ + ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Sub(_binding_0) => BinOp::Sub(Token ! [ - ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Mul(_binding_0) => BinOp::Mul(Token ! [ * ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Div(_binding_0) => BinOp::Div(Token ! [ / ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Rem(_binding_0) => BinOp::Rem(Token ! [ % ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::And(_binding_0) => BinOp::And(Token ! [ && ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Or(_binding_0) => BinOp::Or(Token ! [ || ](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Add(_binding_0) => BinOp::Add(Token ! [+](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Sub(_binding_0) => BinOp::Sub(Token ! [-](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Mul(_binding_0) => BinOp::Mul(Token ! [*](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Div(_binding_0) => BinOp::Div(Token ! [/](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Rem(_binding_0) => BinOp::Rem(Token ! [%](tokens_helper(f, &_binding_0.spans))),
+        BinOp::And(_binding_0) => BinOp::And(Token ! [&&](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Or(_binding_0) => BinOp::Or(Token ! [||](tokens_helper(f, &_binding_0.spans))),
         BinOp::BitXor(_binding_0) => {
-            BinOp::BitXor(Token ! [ ^ ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::BitXor(Token ! [^](tokens_helper(f, &_binding_0.spans)))
         }
         BinOp::BitAnd(_binding_0) => {
-            BinOp::BitAnd(Token ! [ & ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::BitOr(_binding_0) => {
-            BinOp::BitOr(Token ! [ | ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::Shl(_binding_0) => BinOp::Shl(Token ! [ << ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Shr(_binding_0) => BinOp::Shr(Token ! [ >> ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Eq(_binding_0) => BinOp::Eq(Token ! [ == ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Lt(_binding_0) => BinOp::Lt(Token ! [ < ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Le(_binding_0) => BinOp::Le(Token ! [ <= ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Ne(_binding_0) => BinOp::Ne(Token ! [ != ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Ge(_binding_0) => BinOp::Ge(Token ! [ >= ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::Gt(_binding_0) => BinOp::Gt(Token ! [ > ](tokens_helper(f, &_binding_0.spans))),
-        BinOp::AddEq(_binding_0) => {
-            BinOp::AddEq(Token ! [ += ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::SubEq(_binding_0) => {
-            BinOp::SubEq(Token ! [ -= ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::MulEq(_binding_0) => {
-            BinOp::MulEq(Token ! [ *= ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::DivEq(_binding_0) => {
-            BinOp::DivEq(Token ! [ /= ](tokens_helper(f, &_binding_0.spans)))
-        }
-        BinOp::RemEq(_binding_0) => {
-            BinOp::RemEq(Token ! [ %= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::BitAnd(Token ! [&](tokens_helper(f, &_binding_0.spans)))
         }
+        BinOp::BitOr(_binding_0) => BinOp::BitOr(Token ! [|](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Shl(_binding_0) => BinOp::Shl(Token ! [<<](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Shr(_binding_0) => BinOp::Shr(Token ! [>>](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Eq(_binding_0) => BinOp::Eq(Token ! [==](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Lt(_binding_0) => BinOp::Lt(Token ! [<](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Le(_binding_0) => BinOp::Le(Token ! [<=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Ne(_binding_0) => BinOp::Ne(Token ! [!=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Ge(_binding_0) => BinOp::Ge(Token ! [>=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::Gt(_binding_0) => BinOp::Gt(Token ! [>](tokens_helper(f, &_binding_0.spans))),
+        BinOp::AddEq(_binding_0) => BinOp::AddEq(Token ! [+=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::SubEq(_binding_0) => BinOp::SubEq(Token ! [-=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::MulEq(_binding_0) => BinOp::MulEq(Token ! [*=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::DivEq(_binding_0) => BinOp::DivEq(Token ! [/=](tokens_helper(f, &_binding_0.spans))),
+        BinOp::RemEq(_binding_0) => BinOp::RemEq(Token ! [%=](tokens_helper(f, &_binding_0.spans))),
         BinOp::BitXorEq(_binding_0) => {
-            BinOp::BitXorEq(Token ! [ ^= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::BitXorEq(Token ! [^=](tokens_helper(f, &_binding_0.spans)))
         }
         BinOp::BitAndEq(_binding_0) => {
-            BinOp::BitAndEq(Token ! [ &= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::BitAndEq(Token ! [&=](tokens_helper(f, &_binding_0.spans)))
         }
         BinOp::BitOrEq(_binding_0) => {
-            BinOp::BitOrEq(Token ! [ |= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::BitOrEq(Token ! [|=](tokens_helper(f, &_binding_0.spans)))
         }
         BinOp::ShlEq(_binding_0) => {
-            BinOp::ShlEq(Token ! [ <<= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::ShlEq(Token ! [<<=](tokens_helper(f, &_binding_0.spans)))
         }
         BinOp::ShrEq(_binding_0) => {
-            BinOp::ShrEq(Token ! [ >>= ](tokens_helper(f, &_binding_0.spans)))
+            BinOp::ShrEq(Token ! [>>=](tokens_helper(f, &_binding_0.spans)))
         }
     }
 }
@@ -927,7 +915,7 @@ where
 {
     Binding {
         ident: f.fold_ident(node.ident),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         ty: f.fold_type(node.ty),
     }
 }
@@ -948,9 +936,9 @@ where
 {
     BoundLifetimes {
         for_token: Token![for](tokens_helper(f, &node.for_token.span)),
-        lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
+        lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
         lifetimes: FoldHelper::lift(node.lifetimes, |it| f.fold_lifetime_def(it)),
-        gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
+        gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -962,9 +950,9 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         const_token: Token![const](tokens_helper(f, &node.const_token.span)),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: f.fold_type(node.ty),
-        eq_token: (node.eq_token).map(|it| Token ! [ = ](tokens_helper(f, &it.spans))),
+        eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),
         default: (node.default).map(|it| f.fold_expr(it)),
     }
 }
@@ -975,7 +963,7 @@ where
 {
     Constraint {
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
     }
 }
@@ -1009,7 +997,7 @@ where
     DataStruct {
         struct_token: Token![struct](tokens_helper(f, &node.struct_token.span)),
         fields: f.fold_fields(node.fields),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "derive")]
@@ -1105,7 +1093,7 @@ where
     ExprAssign {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         left: Box::new(f.fold_expr(*node.left)),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         right: Box::new(f.fold_expr(*node.right)),
     }
 }
@@ -1141,7 +1129,7 @@ where
     ExprAwait {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         base: Box::new(f.fold_expr(*node.base)),
-        dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
+        dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
         await_token: crate::token::Await(tokens_helper(f, &node.await_token.span)),
     }
 }
@@ -1225,9 +1213,9 @@ where
         asyncness: (node.asyncness).map(|it| Token![async](tokens_helper(f, &it.span))),
         movability: (node.movability).map(|it| Token![static](tokens_helper(f, &it.span))),
         capture: (node.capture).map(|it| Token![move](tokens_helper(f, &it.span))),
-        or1_token: Token ! [ | ](tokens_helper(f, &node.or1_token.spans)),
+        or1_token: Token ! [|](tokens_helper(f, &node.or1_token.spans)),
         inputs: FoldHelper::lift(node.inputs, |it| f.fold_pat(it)),
-        or2_token: Token ! [ | ](tokens_helper(f, &node.or2_token.spans)),
+        or2_token: Token ! [|](tokens_helper(f, &node.or2_token.spans)),
         output: f.fold_return_type(node.output),
         body: Box::new(f.fold_expr(*node.body)),
     }
@@ -1251,7 +1239,7 @@ where
     ExprField {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         base: Box::new(f.fold_expr(*node.base)),
-        dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
+        dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
         member: f.fold_member(node.member),
     }
 }
@@ -1320,7 +1308,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         let_token: Token![let](tokens_helper(f, &node.let_token.span)),
         pat: f.fold_pat(node.pat),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         expr: Box::new(f.fold_expr(*node.expr)),
     }
 }
@@ -1377,7 +1365,7 @@ where
     ExprMethodCall {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         receiver: Box::new(f.fold_expr(*node.receiver)),
-        dot_token: Token ! [ . ](tokens_helper(f, &node.dot_token.spans)),
+        dot_token: Token ! [.](tokens_helper(f, &node.dot_token.spans)),
         method: f.fold_ident(node.method),
         turbofish: (node.turbofish).map(|it| f.fold_method_turbofish(it)),
         paren_token: Paren(tokens_helper(f, &node.paren_token.span)),
@@ -1425,7 +1413,7 @@ where
 {
     ExprReference {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
-        and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
+        and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
         raw: node.raw,
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         expr: Box::new(f.fold_expr(*node.expr)),
@@ -1440,7 +1428,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
         expr: Box::new(f.fold_expr(*node.expr)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
         len: Box::new(f.fold_expr(*node.len)),
     }
 }
@@ -1477,7 +1465,7 @@ where
     ExprTry {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         expr: Box::new(f.fold_expr(*node.expr)),
-        question_token: Token ! [ ? ](tokens_helper(f, &node.question_token.spans)),
+        question_token: Token ! [?](tokens_helper(f, &node.question_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -1510,7 +1498,7 @@ where
     ExprType {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         expr: Box::new(f.fold_expr(*node.expr)),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
     }
 }
@@ -1569,7 +1557,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         vis: f.fold_visibility(node.vis),
         ident: (node.ident).map(|it| f.fold_ident(it)),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         ty: f.fold_type(node.ty),
     }
 }
@@ -1581,7 +1569,7 @@ where
     FieldPat {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         member: f.fold_member(node.member),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         pat: Box::new(f.fold_pat(*node.pat)),
     }
 }
@@ -1593,7 +1581,7 @@ where
     FieldValue {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         member: f.fold_member(node.member),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         expr: f.fold_expr(node.expr),
     }
 }
@@ -1674,7 +1662,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         vis: f.fold_visibility(node.vis),
         sig: f.fold_signature(node.sig),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -1685,7 +1673,7 @@ where
     ForeignItemMacro {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         mac: f.fold_macro(node.mac),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -1699,9 +1687,9 @@ where
         static_token: Token![static](tokens_helper(f, &node.static_token.span)),
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -1714,7 +1702,7 @@ where
         vis: f.fold_visibility(node.vis),
         type_token: Token![type](tokens_helper(f, &node.type_token.span)),
         ident: f.fold_ident(node.ident),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -1772,9 +1760,9 @@ where
     F: Fold + ?Sized,
 {
     Generics {
-        lt_token: (node.lt_token).map(|it| Token ! [ < ](tokens_helper(f, &it.spans))),
+        lt_token: (node.lt_token).map(|it| Token ! [<](tokens_helper(f, &it.spans))),
         params: FoldHelper::lift(node.params, |it| f.fold_generic_param(it)),
-        gt_token: (node.gt_token).map(|it| Token ! [ > ](tokens_helper(f, &it.spans))),
+        gt_token: (node.gt_token).map(|it| Token ! [>](tokens_helper(f, &it.spans))),
         where_clause: (node.where_clause).map(|it| f.fold_where_clause(it)),
     }
 }
@@ -1812,11 +1800,11 @@ where
         defaultness: (node.defaultness).map(|it| Token![default](tokens_helper(f, &it.span))),
         const_token: Token![const](tokens_helper(f, &node.const_token.span)),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: f.fold_type(node.ty),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         expr: f.fold_expr(node.expr),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -1827,7 +1815,7 @@ where
     ImplItemMacro {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         mac: f.fold_macro(node.mac),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -1855,9 +1843,9 @@ where
         type_token: Token![type](tokens_helper(f, &node.type_token.span)),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         ty: f.fold_type(node.ty),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -1906,11 +1894,11 @@ where
         vis: f.fold_visibility(node.vis),
         const_token: Token![const](tokens_helper(f, &node.const_token.span)),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         expr: Box::new(f.fold_expr(*node.expr)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -1945,7 +1933,7 @@ where
                 f.fold_ident((it).1),
             )
         }),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2004,7 +1992,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         ident: (node.ident).map(|it| f.fold_ident(it)),
         mac: f.fold_macro(node.mac),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -2036,7 +2024,7 @@ where
                 FoldHelper::lift((it).1, |it| f.fold_item(it)),
             )
         }),
-        semi: (node.semi).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi: (node.semi).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -2050,11 +2038,11 @@ where
         static_token: Token![static](tokens_helper(f, &node.static_token.span)),
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         expr: Box::new(f.fold_expr(*node.expr)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2069,7 +2057,7 @@ where
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
         fields: f.fold_fields(node.fields),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -2085,7 +2073,7 @@ where
         trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         supertraits: FoldHelper::lift(node.supertraits, |it| f.fold_type_param_bound(it)),
         brace_token: Brace(tokens_helper(f, &node.brace_token.span)),
         items: FoldHelper::lift(node.items, |it| f.fold_trait_item(it)),
@@ -2102,9 +2090,9 @@ where
         trait_token: Token![trait](tokens_helper(f, &node.trait_token.span)),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2118,9 +2106,9 @@ where
         type_token: Token![type](tokens_helper(f, &node.type_token.span)),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2146,9 +2134,9 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         vis: f.fold_visibility(node.vis),
         use_token: Token![use](tokens_helper(f, &node.use_token.span)),
-        leading_colon: (node.leading_colon).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
+        leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
         tree: f.fold_use_tree(node.tree),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2158,7 +2146,7 @@ where
 {
     Label {
         name: f.fold_lifetime(node.name),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
     }
 }
 pub fn fold_lifetime<F>(f: &mut F, node: Lifetime) -> Lifetime
@@ -2178,7 +2166,7 @@ where
     LifetimeDef {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         lifetime: f.fold_lifetime(node.lifetime),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_lifetime(it)),
     }
 }
@@ -2271,11 +2259,11 @@ where
         pat: f.fold_pat(node.pat),
         init: (node.init).map(|it| {
             (
-                Token ! [ = ](tokens_helper(f, &(it).0.spans)),
+                Token ! [=](tokens_helper(f, &(it).0.spans)),
                 Box::new(f.fold_expr(*(it).1)),
             )
         }),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -2346,7 +2334,7 @@ where
 {
     MetaNameValue {
         path: f.fold_path(node.path),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         lit: f.fold_lit(node.lit),
     }
 }
@@ -2356,10 +2344,10 @@ where
     F: Fold + ?Sized,
 {
     MethodTurbofish {
-        colon2_token: Token ! [ :: ](tokens_helper(f, &node.colon2_token.spans)),
-        lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
+        colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),
+        lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
         args: FoldHelper::lift(node.args, |it| f.fold_generic_method_argument(it)),
-        gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
+        gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -2434,7 +2422,7 @@ where
         ident: f.fold_ident(node.ident),
         subpat: (node.subpat).map(|it| {
             (
-                Token ! [ @ ](tokens_helper(f, &(it).0.spans)),
+                Token ! [@](tokens_helper(f, &(it).0.spans)),
                 Box::new(f.fold_pat(*(it).1)),
             )
         }),
@@ -2467,7 +2455,7 @@ where
 {
     PatOr {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
-        leading_vert: (node.leading_vert).map(|it| Token ! [ | ](tokens_helper(f, &it.spans))),
+        leading_vert: (node.leading_vert).map(|it| Token ! [|](tokens_helper(f, &it.spans))),
         cases: FoldHelper::lift(node.cases, |it| f.fold_pat(it)),
     }
 }
@@ -2501,7 +2489,7 @@ where
 {
     PatReference {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
-        and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
+        and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         pat: Box::new(f.fold_pat(*node.pat)),
     }
@@ -2570,7 +2558,7 @@ where
     PatType {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         pat: Box::new(f.fold_pat(*node.pat)),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
     }
 }
@@ -2590,7 +2578,7 @@ where
     F: Fold + ?Sized,
 {
     Path {
-        leading_colon: (node.leading_colon).map(|it| Token ! [ :: ](tokens_helper(f, &it.spans))),
+        leading_colon: (node.leading_colon).map(|it| Token ! [::](tokens_helper(f, &it.spans))),
         segments: FoldHelper::lift(node.segments, |it| f.fold_path_segment(it)),
     }
 }
@@ -2626,7 +2614,7 @@ where
 {
     PredicateEq {
         lhs_ty: f.fold_type(node.lhs_ty),
-        eq_token: Token ! [ = ](tokens_helper(f, &node.eq_token.spans)),
+        eq_token: Token ! [=](tokens_helper(f, &node.eq_token.spans)),
         rhs_ty: f.fold_type(node.rhs_ty),
     }
 }
@@ -2637,7 +2625,7 @@ where
 {
     PredicateLifetime {
         lifetime: f.fold_lifetime(node.lifetime),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_lifetime(it)),
     }
 }
@@ -2649,7 +2637,7 @@ where
     PredicateType {
         lifetimes: (node.lifetimes).map(|it| f.fold_bound_lifetimes(it)),
         bounded_ty: f.fold_type(node.bounded_ty),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
     }
 }
@@ -2659,11 +2647,11 @@ where
     F: Fold + ?Sized,
 {
     QSelf {
-        lt_token: Token ! [ < ](tokens_helper(f, &node.lt_token.spans)),
+        lt_token: Token ! [<](tokens_helper(f, &node.lt_token.spans)),
         ty: Box::new(f.fold_type(*node.ty)),
         position: node.position,
         as_token: (node.as_token).map(|it| Token![as](tokens_helper(f, &it.span))),
-        gt_token: Token ! [ > ](tokens_helper(f, &node.gt_token.spans)),
+        gt_token: Token ! [>](tokens_helper(f, &node.gt_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2676,7 +2664,7 @@ where
             RangeLimits::HalfOpen(Token![..](tokens_helper(f, &_binding_0.spans)))
         }
         RangeLimits::Closed(_binding_0) => {
-            RangeLimits::Closed(Token ! [ ..= ](tokens_helper(f, &_binding_0.spans)))
+            RangeLimits::Closed(Token ! [..=](tokens_helper(f, &_binding_0.spans)))
         }
     }
 }
@@ -2689,7 +2677,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         reference: (node.reference).map(|it| {
             (
-                Token ! [ & ](tokens_helper(f, &(it).0.spans)),
+                Token ! [&](tokens_helper(f, &(it).0.spans)),
                 ((it).1).map(|it| f.fold_lifetime(it)),
             )
         }),
@@ -2705,7 +2693,7 @@ where
     match node {
         ReturnType::Default => ReturnType::Default,
         ReturnType::Type(_binding_0, _binding_1) => ReturnType::Type(
-            Token ! [ -> ](tokens_helper(f, &_binding_0.spans)),
+            Token ! [->](tokens_helper(f, &_binding_0.spans)),
             Box::new(f.fold_type(*_binding_1)),
         ),
     }
@@ -2746,7 +2734,7 @@ where
         Stmt::Expr(_binding_0) => Stmt::Expr(f.fold_expr(_binding_0)),
         Stmt::Semi(_binding_0, _binding_1) => Stmt::Semi(
             f.fold_expr(_binding_0),
-            Token ! [ ; ](tokens_helper(f, &_binding_1.spans)),
+            Token ! [;](tokens_helper(f, &_binding_1.spans)),
         ),
     }
 }
@@ -2770,7 +2758,7 @@ where
     match node {
         TraitBoundModifier::None => TraitBoundModifier::None,
         TraitBoundModifier::Maybe(_binding_0) => {
-            TraitBoundModifier::Maybe(Token ! [ ? ](tokens_helper(f, &_binding_0.spans)))
+            TraitBoundModifier::Maybe(Token ! [?](tokens_helper(f, &_binding_0.spans)))
         }
     }
 }
@@ -2797,15 +2785,15 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         const_token: Token![const](tokens_helper(f, &node.const_token.span)),
         ident: f.fold_ident(node.ident),
-        colon_token: Token ! [ : ](tokens_helper(f, &node.colon_token.spans)),
+        colon_token: Token ! [:](tokens_helper(f, &node.colon_token.spans)),
         ty: f.fold_type(node.ty),
         default: (node.default).map(|it| {
             (
-                Token ! [ = ](tokens_helper(f, &(it).0.spans)),
+                Token ! [=](tokens_helper(f, &(it).0.spans)),
                 f.fold_expr((it).1),
             )
         }),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -2816,7 +2804,7 @@ where
     TraitItemMacro {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         mac: f.fold_macro(node.mac),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -2828,7 +2816,7 @@ where
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         sig: f.fold_signature(node.sig),
         default: (node.default).map(|it| f.fold_block(it)),
-        semi_token: (node.semi_token).map(|it| Token ! [ ; ](tokens_helper(f, &it.spans))),
+        semi_token: (node.semi_token).map(|it| Token ! [;](tokens_helper(f, &it.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -2841,15 +2829,15 @@ where
         type_token: Token![type](tokens_helper(f, &node.type_token.span)),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
         default: (node.default).map(|it| {
             (
-                Token ! [ = ](tokens_helper(f, &(it).0.spans)),
+                Token ! [=](tokens_helper(f, &(it).0.spans)),
                 f.fold_type((it).1),
             )
         }),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -2884,7 +2872,7 @@ where
     TypeArray {
         bracket_token: Bracket(tokens_helper(f, &node.bracket_token.span)),
         elem: Box::new(f.fold_type(*node.elem)),
-        semi_token: Token ! [ ; ](tokens_helper(f, &node.semi_token.spans)),
+        semi_token: Token ! [;](tokens_helper(f, &node.semi_token.spans)),
         len: f.fold_expr(node.len),
     }
 }
@@ -2959,9 +2947,9 @@ where
     TypeParam {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
         ident: f.fold_ident(node.ident),
-        colon_token: (node.colon_token).map(|it| Token ! [ : ](tokens_helper(f, &it.spans))),
+        colon_token: (node.colon_token).map(|it| Token ! [:](tokens_helper(f, &it.spans))),
         bounds: FoldHelper::lift(node.bounds, |it| f.fold_type_param_bound(it)),
-        eq_token: (node.eq_token).map(|it| Token ! [ = ](tokens_helper(f, &it.spans))),
+        eq_token: (node.eq_token).map(|it| Token ! [=](tokens_helper(f, &it.spans))),
         default: (node.default).map(|it| f.fold_type(it)),
     }
 }
@@ -3003,7 +2991,7 @@ where
     F: Fold + ?Sized,
 {
     TypePtr {
-        star_token: Token ! [ * ](tokens_helper(f, &node.star_token.spans)),
+        star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),
         const_token: (node.const_token).map(|it| Token![const](tokens_helper(f, &it.span))),
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         elem: Box::new(f.fold_type(*node.elem)),
@@ -3015,7 +3003,7 @@ where
     F: Fold + ?Sized,
 {
     TypeReference {
-        and_token: Token ! [ & ](tokens_helper(f, &node.and_token.spans)),
+        and_token: Token ! [&](tokens_helper(f, &node.and_token.spans)),
         lifetime: (node.lifetime).map(|it| f.fold_lifetime(it)),
         mutability: (node.mutability).map(|it| Token![mut](tokens_helper(f, &it.span))),
         elem: Box::new(f.fold_type(*node.elem)),
@@ -3057,9 +3045,9 @@ where
     F: Fold + ?Sized,
 {
     match node {
-        UnOp::Deref(_binding_0) => UnOp::Deref(Token ! [ * ](tokens_helper(f, &_binding_0.spans))),
+        UnOp::Deref(_binding_0) => UnOp::Deref(Token ! [*](tokens_helper(f, &_binding_0.spans))),
         UnOp::Not(_binding_0) => UnOp::Not(Token![!](tokens_helper(f, &_binding_0.spans))),
-        UnOp::Neg(_binding_0) => UnOp::Neg(Token ! [ - ](tokens_helper(f, &_binding_0.spans))),
+        UnOp::Neg(_binding_0) => UnOp::Neg(Token ! [-](tokens_helper(f, &_binding_0.spans))),
     }
 }
 #[cfg(feature = "full")]
@@ -3068,7 +3056,7 @@ where
     F: Fold + ?Sized,
 {
     UseGlob {
-        star_token: Token ! [ * ](tokens_helper(f, &node.star_token.spans)),
+        star_token: Token ! [*](tokens_helper(f, &node.star_token.spans)),
     }
 }
 #[cfg(feature = "full")]
@@ -3097,7 +3085,7 @@ where
 {
     UsePath {
         ident: f.fold_ident(node.ident),
-        colon2_token: Token ! [ :: ](tokens_helper(f, &node.colon2_token.spans)),
+        colon2_token: Token ! [::](tokens_helper(f, &node.colon2_token.spans)),
         tree: Box::new(f.fold_use_tree(*node.tree)),
     }
 }
@@ -3132,7 +3120,7 @@ where
 {
     Variadic {
         attrs: FoldHelper::lift(node.attrs, |it| f.fold_attribute(it)),
-        dots: Token ! [ ... ](tokens_helper(f, &node.dots.spans)),
+        dots: Token ! [...](tokens_helper(f, &node.dots.spans)),
     }
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -3146,7 +3134,7 @@ where
         fields: f.fold_fields(node.fields),
         discriminant: (node.discriminant).map(|it| {
             (
-                Token ! [ = ](tokens_helper(f, &(it).0.spans)),
+                Token ! [=](tokens_helper(f, &(it).0.spans)),
                 f.fold_expr((it).1),
             )
         }),
diff --git a/src/gen/hash.rs b/src/gen/hash.rs
new file mode 100644
index 00000000..9e9e84a7
--- /dev/null
+++ b/src/gen/hash.rs
@@ -0,0 +1,2691 @@
+// This file is @generated by syn-internal-codegen.
+// It is not intended for manual editing.
+
+#[cfg(any(feature = "derive", feature = "full"))]
+use crate::tt::TokenStreamHelper;
+use crate::*;
+use std::hash::{Hash, Hasher};
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Abi {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.name.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for AngleBracketedGenericArguments {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.colon2_token.hash(state);
+        self.args.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Arm {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.pat.hash(state);
+        self.guard.hash(state);
+        self.body.hash(state);
+        self.comma.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for AttrStyle {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            AttrStyle::Outer => {
+                state.write_u8(0u8);
+            }
+            AttrStyle::Inner(_) => {
+                state.write_u8(1u8);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Attribute {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.style.hash(state);
+        self.path.hash(state);
+        TokenStreamHelper(&self.tokens).hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for BareFnArg {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.name.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for BinOp {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            BinOp::Add(_) => {
+                state.write_u8(0u8);
+            }
+            BinOp::Sub(_) => {
+                state.write_u8(1u8);
+            }
+            BinOp::Mul(_) => {
+                state.write_u8(2u8);
+            }
+            BinOp::Div(_) => {
+                state.write_u8(3u8);
+            }
+            BinOp::Rem(_) => {
+                state.write_u8(4u8);
+            }
+            BinOp::And(_) => {
+                state.write_u8(5u8);
+            }
+            BinOp::Or(_) => {
+                state.write_u8(6u8);
+            }
+            BinOp::BitXor(_) => {
+                state.write_u8(7u8);
+            }
+            BinOp::BitAnd(_) => {
+                state.write_u8(8u8);
+            }
+            BinOp::BitOr(_) => {
+                state.write_u8(9u8);
+            }
+            BinOp::Shl(_) => {
+                state.write_u8(10u8);
+            }
+            BinOp::Shr(_) => {
+                state.write_u8(11u8);
+            }
+            BinOp::Eq(_) => {
+                state.write_u8(12u8);
+            }
+            BinOp::Lt(_) => {
+                state.write_u8(13u8);
+            }
+            BinOp::Le(_) => {
+                state.write_u8(14u8);
+            }
+            BinOp::Ne(_) => {
+                state.write_u8(15u8);
+            }
+            BinOp::Ge(_) => {
+                state.write_u8(16u8);
+            }
+            BinOp::Gt(_) => {
+                state.write_u8(17u8);
+            }
+            BinOp::AddEq(_) => {
+                state.write_u8(18u8);
+            }
+            BinOp::SubEq(_) => {
+                state.write_u8(19u8);
+            }
+            BinOp::MulEq(_) => {
+                state.write_u8(20u8);
+            }
+            BinOp::DivEq(_) => {
+                state.write_u8(21u8);
+            }
+            BinOp::RemEq(_) => {
+                state.write_u8(22u8);
+            }
+            BinOp::BitXorEq(_) => {
+                state.write_u8(23u8);
+            }
+            BinOp::BitAndEq(_) => {
+                state.write_u8(24u8);
+            }
+            BinOp::BitOrEq(_) => {
+                state.write_u8(25u8);
+            }
+            BinOp::ShlEq(_) => {
+                state.write_u8(26u8);
+            }
+            BinOp::ShrEq(_) => {
+                state.write_u8(27u8);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Binding {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Block {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.stmts.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for BoundLifetimes {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lifetimes.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ConstParam {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+        self.eq_token.hash(state);
+        self.default.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Constraint {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+        self.bounds.hash(state);
+    }
+}
+#[cfg(feature = "derive")]
+impl Hash for Data {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Data::Struct(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Data::Enum(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Data::Union(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(feature = "derive")]
+impl Hash for DataEnum {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.variants.hash(state);
+    }
+}
+#[cfg(feature = "derive")]
+impl Hash for DataStruct {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.fields.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "derive")]
+impl Hash for DataUnion {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.fields.hash(state);
+    }
+}
+#[cfg(feature = "derive")]
+impl Hash for DeriveInput {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.data.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Expr {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            #[cfg(feature = "full")]
+            Expr::Array(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Assign(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::AssignOp(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Async(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Await(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+            Expr::Binary(v0) => {
+                state.write_u8(5u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Block(v0) => {
+                state.write_u8(6u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Box(v0) => {
+                state.write_u8(7u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Break(v0) => {
+                state.write_u8(8u8);
+                v0.hash(state);
+            }
+            Expr::Call(v0) => {
+                state.write_u8(9u8);
+                v0.hash(state);
+            }
+            Expr::Cast(v0) => {
+                state.write_u8(10u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Closure(v0) => {
+                state.write_u8(11u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Continue(v0) => {
+                state.write_u8(12u8);
+                v0.hash(state);
+            }
+            Expr::Field(v0) => {
+                state.write_u8(13u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::ForLoop(v0) => {
+                state.write_u8(14u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Group(v0) => {
+                state.write_u8(15u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::If(v0) => {
+                state.write_u8(16u8);
+                v0.hash(state);
+            }
+            Expr::Index(v0) => {
+                state.write_u8(17u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Let(v0) => {
+                state.write_u8(18u8);
+                v0.hash(state);
+            }
+            Expr::Lit(v0) => {
+                state.write_u8(19u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Loop(v0) => {
+                state.write_u8(20u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Macro(v0) => {
+                state.write_u8(21u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Match(v0) => {
+                state.write_u8(22u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::MethodCall(v0) => {
+                state.write_u8(23u8);
+                v0.hash(state);
+            }
+            Expr::Paren(v0) => {
+                state.write_u8(24u8);
+                v0.hash(state);
+            }
+            Expr::Path(v0) => {
+                state.write_u8(25u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Range(v0) => {
+                state.write_u8(26u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Reference(v0) => {
+                state.write_u8(27u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Repeat(v0) => {
+                state.write_u8(28u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Return(v0) => {
+                state.write_u8(29u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Struct(v0) => {
+                state.write_u8(30u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Try(v0) => {
+                state.write_u8(31u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::TryBlock(v0) => {
+                state.write_u8(32u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Tuple(v0) => {
+                state.write_u8(33u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Type(v0) => {
+                state.write_u8(34u8);
+                v0.hash(state);
+            }
+            Expr::Unary(v0) => {
+                state.write_u8(35u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Unsafe(v0) => {
+                state.write_u8(36u8);
+                v0.hash(state);
+            }
+            Expr::Verbatim(v0) => {
+                state.write_u8(37u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::While(v0) => {
+                state.write_u8(38u8);
+                v0.hash(state);
+            }
+            #[cfg(feature = "full")]
+            Expr::Yield(v0) => {
+                state.write_u8(39u8);
+                v0.hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprArray {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.elems.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprAssign {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.left.hash(state);
+        self.right.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprAssignOp {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.left.hash(state);
+        self.op.hash(state);
+        self.right.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprAsync {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.capture.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprAwait {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.base.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprBinary {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.left.hash(state);
+        self.op.hash(state);
+        self.right.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprBlock {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprBox {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprBreak {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprCall {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.func.hash(state);
+        self.args.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprCast {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprClosure {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.asyncness.hash(state);
+        self.movability.hash(state);
+        self.capture.hash(state);
+        self.inputs.hash(state);
+        self.output.hash(state);
+        self.body.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprContinue {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprField {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.base.hash(state);
+        self.member.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprForLoop {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+        self.pat.hash(state);
+        self.expr.hash(state);
+        self.body.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprGroup {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprIf {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.cond.hash(state);
+        self.then_branch.hash(state);
+        self.else_branch.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprIndex {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+        self.index.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprLet {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.pat.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprLit {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.lit.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprLoop {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+        self.body.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mac.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprMatch {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+        self.arms.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprMethodCall {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.receiver.hash(state);
+        self.method.hash(state);
+        self.turbofish.hash(state);
+        self.args.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprParen {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprPath {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.qself.hash(state);
+        self.path.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprRange {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.from.hash(state);
+        self.limits.hash(state);
+        self.to.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprReference {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mutability.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprRepeat {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+        self.len.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprReturn {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprStruct {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.path.hash(state);
+        self.fields.hash(state);
+        self.dot2_token.hash(state);
+        self.rest.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprTry {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprTryBlock {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprTuple {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.elems.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ExprUnary {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.op.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprUnsafe {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprWhile {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.label.hash(state);
+        self.cond.hash(state);
+        self.body.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ExprYield {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Field {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.colon_token.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for FieldPat {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.member.hash(state);
+        self.colon_token.hash(state);
+        self.pat.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for FieldValue {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.member.hash(state);
+        self.colon_token.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Fields {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Fields::Named(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Fields::Unnamed(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Fields::Unit => {
+                state.write_u8(2u8);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for FieldsNamed {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.named.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for FieldsUnnamed {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.unnamed.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for File {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.shebang.hash(state);
+        self.attrs.hash(state);
+        self.items.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for FnArg {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            FnArg::Receiver(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            FnArg::Typed(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ForeignItem {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            ForeignItem::Fn(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            ForeignItem::Static(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            ForeignItem::Type(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            ForeignItem::Macro(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            ForeignItem::Verbatim(v0) => {
+                state.write_u8(4u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ForeignItemFn {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.sig.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ForeignItemMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mac.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ForeignItemStatic {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.mutability.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ForeignItemType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for GenericArgument {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            GenericArgument::Lifetime(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            GenericArgument::Type(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            GenericArgument::Binding(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            GenericArgument::Constraint(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            GenericArgument::Const(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for GenericMethodArgument {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            GenericMethodArgument::Type(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            GenericMethodArgument::Const(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for GenericParam {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            GenericParam::Type(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            GenericParam::Lifetime(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            GenericParam::Const(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Generics {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lt_token.hash(state);
+        self.params.hash(state);
+        self.gt_token.hash(state);
+        self.where_clause.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ImplItem {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            ImplItem::Const(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            ImplItem::Method(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            ImplItem::Type(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            ImplItem::Macro(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            ImplItem::Verbatim(v0) => {
+                state.write_u8(4u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ImplItemConst {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.defaultness.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ImplItemMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mac.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ImplItemMethod {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.defaultness.hash(state);
+        self.sig.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ImplItemType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.defaultness.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Item {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Item::Const(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Item::Enum(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Item::ExternCrate(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Item::Fn(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            Item::ForeignMod(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+            Item::Impl(v0) => {
+                state.write_u8(5u8);
+                v0.hash(state);
+            }
+            Item::Macro(v0) => {
+                state.write_u8(6u8);
+                v0.hash(state);
+            }
+            Item::Macro2(v0) => {
+                state.write_u8(7u8);
+                v0.hash(state);
+            }
+            Item::Mod(v0) => {
+                state.write_u8(8u8);
+                v0.hash(state);
+            }
+            Item::Static(v0) => {
+                state.write_u8(9u8);
+                v0.hash(state);
+            }
+            Item::Struct(v0) => {
+                state.write_u8(10u8);
+                v0.hash(state);
+            }
+            Item::Trait(v0) => {
+                state.write_u8(11u8);
+                v0.hash(state);
+            }
+            Item::TraitAlias(v0) => {
+                state.write_u8(12u8);
+                v0.hash(state);
+            }
+            Item::Type(v0) => {
+                state.write_u8(13u8);
+                v0.hash(state);
+            }
+            Item::Union(v0) => {
+                state.write_u8(14u8);
+                v0.hash(state);
+            }
+            Item::Use(v0) => {
+                state.write_u8(15u8);
+                v0.hash(state);
+            }
+            Item::Verbatim(v0) => {
+                state.write_u8(16u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemConst {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemEnum {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.variants.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemExternCrate {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.rename.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemFn {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.sig.hash(state);
+        self.block.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemForeignMod {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.abi.hash(state);
+        self.items.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemImpl {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.defaultness.hash(state);
+        self.unsafety.hash(state);
+        self.generics.hash(state);
+        self.trait_.hash(state);
+        self.self_ty.hash(state);
+        self.items.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.mac.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemMacro2 {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        TokenStreamHelper(&self.rules).hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemMod {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.content.hash(state);
+        self.semi.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemStatic {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.mutability.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemStruct {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.fields.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemTrait {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.unsafety.hash(state);
+        self.auto_token.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.colon_token.hash(state);
+        self.supertraits.hash(state);
+        self.items.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemTraitAlias {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.bounds.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemUnion {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.fields.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for ItemUse {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.vis.hash(state);
+        self.leading_colon.hash(state);
+        self.tree.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Label {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.name.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for LifetimeDef {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.lifetime.hash(state);
+        self.colon_token.hash(state);
+        self.bounds.hash(state);
+    }
+}
+impl Hash for Lit {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Lit::Str(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Lit::ByteStr(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Lit::Byte(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Lit::Char(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            Lit::Int(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+            Lit::Float(v0) => {
+                state.write_u8(5u8);
+                v0.hash(state);
+            }
+            Lit::Bool(v0) => {
+                state.write_u8(6u8);
+                v0.hash(state);
+            }
+            Lit::Verbatim(v0) => {
+                state.write_u8(7u8);
+                v0.to_string().hash(state);
+            }
+        }
+    }
+}
+impl Hash for LitBool {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.value.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Local {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.pat.hash(state);
+        self.init.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Macro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.path.hash(state);
+        self.delimiter.hash(state);
+        TokenStreamHelper(&self.tokens).hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for MacroDelimiter {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            MacroDelimiter::Paren(_) => {
+                state.write_u8(0u8);
+            }
+            MacroDelimiter::Brace(_) => {
+                state.write_u8(1u8);
+            }
+            MacroDelimiter::Bracket(_) => {
+                state.write_u8(2u8);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Meta {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Meta::Path(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Meta::List(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Meta::NameValue(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for MetaList {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.path.hash(state);
+        self.nested.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for MetaNameValue {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.path.hash(state);
+        self.lit.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for MethodTurbofish {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.args.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for NestedMeta {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            NestedMeta::Meta(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            NestedMeta::Lit(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ParenthesizedGenericArguments {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.inputs.hash(state);
+        self.output.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Pat {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Pat::Box(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Pat::Ident(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Pat::Lit(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Pat::Macro(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            Pat::Or(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+            Pat::Path(v0) => {
+                state.write_u8(5u8);
+                v0.hash(state);
+            }
+            Pat::Range(v0) => {
+                state.write_u8(6u8);
+                v0.hash(state);
+            }
+            Pat::Reference(v0) => {
+                state.write_u8(7u8);
+                v0.hash(state);
+            }
+            Pat::Rest(v0) => {
+                state.write_u8(8u8);
+                v0.hash(state);
+            }
+            Pat::Slice(v0) => {
+                state.write_u8(9u8);
+                v0.hash(state);
+            }
+            Pat::Struct(v0) => {
+                state.write_u8(10u8);
+                v0.hash(state);
+            }
+            Pat::Tuple(v0) => {
+                state.write_u8(11u8);
+                v0.hash(state);
+            }
+            Pat::TupleStruct(v0) => {
+                state.write_u8(12u8);
+                v0.hash(state);
+            }
+            Pat::Type(v0) => {
+                state.write_u8(13u8);
+                v0.hash(state);
+            }
+            Pat::Verbatim(v0) => {
+                state.write_u8(14u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            Pat::Wild(v0) => {
+                state.write_u8(15u8);
+                v0.hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatBox {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.pat.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatIdent {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.by_ref.hash(state);
+        self.mutability.hash(state);
+        self.ident.hash(state);
+        self.subpat.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatLit {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.expr.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mac.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatOr {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.leading_vert.hash(state);
+        self.cases.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatPath {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.qself.hash(state);
+        self.path.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatRange {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.lo.hash(state);
+        self.limits.hash(state);
+        self.hi.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatReference {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mutability.hash(state);
+        self.pat.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatRest {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatSlice {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.elems.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatStruct {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.path.hash(state);
+        self.fields.hash(state);
+        self.dot2_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatTuple {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.elems.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatTupleStruct {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.path.hash(state);
+        self.pat.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.pat.hash(state);
+        self.ty.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for PatWild {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Path {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.leading_colon.hash(state);
+        self.segments.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for PathArguments {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            PathArguments::None => {
+                state.write_u8(0u8);
+            }
+            PathArguments::AngleBracketed(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            PathArguments::Parenthesized(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for PathSegment {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+        self.arguments.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for PredicateEq {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lhs_ty.hash(state);
+        self.rhs_ty.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for PredicateLifetime {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lifetime.hash(state);
+        self.bounds.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for PredicateType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lifetimes.hash(state);
+        self.bounded_ty.hash(state);
+        self.bounds.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for QSelf {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ty.hash(state);
+        self.position.hash(state);
+        self.as_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for RangeLimits {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            RangeLimits::HalfOpen(_) => {
+                state.write_u8(0u8);
+            }
+            RangeLimits::Closed(_) => {
+                state.write_u8(1u8);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Receiver {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.reference.hash(state);
+        self.mutability.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for ReturnType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            ReturnType::Default => {
+                state.write_u8(0u8);
+            }
+            ReturnType::Type(_, v1) => {
+                state.write_u8(1u8);
+                v1.hash(state);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Signature {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.constness.hash(state);
+        self.asyncness.hash(state);
+        self.unsafety.hash(state);
+        self.abi.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.inputs.hash(state);
+        self.variadic.hash(state);
+        self.output.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for Stmt {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Stmt::Local(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Stmt::Item(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Stmt::Expr(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Stmt::Semi(v0, _) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TraitBound {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.paren_token.hash(state);
+        self.modifier.hash(state);
+        self.lifetimes.hash(state);
+        self.path.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TraitBoundModifier {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            TraitBoundModifier::None => {
+                state.write_u8(0u8);
+            }
+            TraitBoundModifier::Maybe(_) => {
+                state.write_u8(1u8);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for TraitItem {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            TraitItem::Const(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            TraitItem::Method(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            TraitItem::Type(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            TraitItem::Macro(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            TraitItem::Verbatim(v0) => {
+                state.write_u8(4u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for TraitItemConst {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.ty.hash(state);
+        self.default.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for TraitItemMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.mac.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for TraitItemMethod {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.sig.hash(state);
+        self.default.hash(state);
+        self.semi_token.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for TraitItemType {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.generics.hash(state);
+        self.colon_token.hash(state);
+        self.bounds.hash(state);
+        self.default.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Type {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Type::Array(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Type::BareFn(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Type::Group(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Type::ImplTrait(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            Type::Infer(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+            Type::Macro(v0) => {
+                state.write_u8(5u8);
+                v0.hash(state);
+            }
+            Type::Never(v0) => {
+                state.write_u8(6u8);
+                v0.hash(state);
+            }
+            Type::Paren(v0) => {
+                state.write_u8(7u8);
+                v0.hash(state);
+            }
+            Type::Path(v0) => {
+                state.write_u8(8u8);
+                v0.hash(state);
+            }
+            Type::Ptr(v0) => {
+                state.write_u8(9u8);
+                v0.hash(state);
+            }
+            Type::Reference(v0) => {
+                state.write_u8(10u8);
+                v0.hash(state);
+            }
+            Type::Slice(v0) => {
+                state.write_u8(11u8);
+                v0.hash(state);
+            }
+            Type::TraitObject(v0) => {
+                state.write_u8(12u8);
+                v0.hash(state);
+            }
+            Type::Tuple(v0) => {
+                state.write_u8(13u8);
+                v0.hash(state);
+            }
+            Type::Verbatim(v0) => {
+                state.write_u8(14u8);
+                TokenStreamHelper(v0).hash(state);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeArray {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.elem.hash(state);
+        self.len.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeBareFn {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lifetimes.hash(state);
+        self.unsafety.hash(state);
+        self.abi.hash(state);
+        self.inputs.hash(state);
+        self.variadic.hash(state);
+        self.output.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeGroup {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.elem.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeImplTrait {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.bounds.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeInfer {
+    fn hash<H>(&self, _state: &mut H)
+    where
+        H: Hasher,
+    {
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeMacro {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.mac.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeNever {
+    fn hash<H>(&self, _state: &mut H)
+    where
+        H: Hasher,
+    {
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeParam {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.colon_token.hash(state);
+        self.bounds.hash(state);
+        self.eq_token.hash(state);
+        self.default.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeParamBound {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            TypeParamBound::Trait(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            TypeParamBound::Lifetime(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeParen {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.elem.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypePath {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.qself.hash(state);
+        self.path.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypePtr {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.const_token.hash(state);
+        self.mutability.hash(state);
+        self.elem.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeReference {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.lifetime.hash(state);
+        self.mutability.hash(state);
+        self.elem.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeSlice {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.elem.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeTraitObject {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.dyn_token.hash(state);
+        self.bounds.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for TypeTuple {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.elems.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for UnOp {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            UnOp::Deref(_) => {
+                state.write_u8(0u8);
+            }
+            UnOp::Not(_) => {
+                state.write_u8(1u8);
+            }
+            UnOp::Neg(_) => {
+                state.write_u8(2u8);
+            }
+        }
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UseGlob {
+    fn hash<H>(&self, _state: &mut H)
+    where
+        H: Hasher,
+    {
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UseGroup {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.items.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UseName {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UsePath {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+        self.tree.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UseRename {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.ident.hash(state);
+        self.rename.hash(state);
+    }
+}
+#[cfg(feature = "full")]
+impl Hash for UseTree {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            UseTree::Path(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            UseTree::Name(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            UseTree::Rename(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            UseTree::Glob(v0) => {
+                state.write_u8(3u8);
+                v0.hash(state);
+            }
+            UseTree::Group(v0) => {
+                state.write_u8(4u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Variadic {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Variant {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.attrs.hash(state);
+        self.ident.hash(state);
+        self.fields.hash(state);
+        self.discriminant.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for VisCrate {
+    fn hash<H>(&self, _state: &mut H)
+    where
+        H: Hasher,
+    {
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for VisPublic {
+    fn hash<H>(&self, _state: &mut H)
+    where
+        H: Hasher,
+    {
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for VisRestricted {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.in_token.hash(state);
+        self.path.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for Visibility {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            Visibility::Public(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            Visibility::Crate(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            Visibility::Restricted(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+            Visibility::Inherited => {
+                state.write_u8(3u8);
+            }
+        }
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for WhereClause {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        self.predicates.hash(state);
+    }
+}
+#[cfg(any(feature = "derive", feature = "full"))]
+impl Hash for WherePredicate {
+    fn hash<H>(&self, state: &mut H)
+    where
+        H: Hasher,
+    {
+        match self {
+            WherePredicate::Type(v0) => {
+                state.write_u8(0u8);
+                v0.hash(state);
+            }
+            WherePredicate::Lifetime(v0) => {
+                state.write_u8(1u8);
+                v0.hash(state);
+            }
+            WherePredicate::Eq(v0) => {
+                state.write_u8(2u8);
+                v0.hash(state);
+            }
+        }
+    }
+}
diff --git a/src/generics.rs b/src/generics.rs
index d0015dbc..05e8ef5c 100644
--- a/src/generics.rs
+++ b/src/generics.rs
@@ -1,5 +1,9 @@
 use super::*;
 use crate::punctuated::{Iter, IterMut, Punctuated};
+#[cfg(all(feature = "printing", feature = "extra-traits"))]
+use std::fmt::{self, Debug};
+#[cfg(all(feature = "printing", feature = "extra-traits"))]
+use std::hash::{Hash, Hasher};
 
 ast_struct! {
     /// Lifetimes and type parameters attached to a declaration of a function,
@@ -7,7 +11,6 @@ ast_struct! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[derive(Default)]
     pub struct Generics {
         pub lt_token: Option<Token![<]>,
         pub params: Punctuated<GenericParam, Token![,]>,
@@ -84,6 +87,17 @@ ast_struct! {
     }
 }
 
+impl Default for Generics {
+    fn default() -> Self {
+        Generics {
+            lt_token: None,
+            params: Punctuated::new(),
+            gt_token: None,
+            where_clause: None,
+        }
+    }
+}
+
 impl Generics {
     /// Returns an
     /// <code
@@ -280,8 +294,6 @@ impl<'a> Iterator for ConstParamsMut<'a> {
 /// *This type is available only if Syn is built with the `"derive"` or `"full"`
 /// feature and the `"printing"` feature.*
 #[cfg(feature = "printing")]
-#[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 pub struct ImplGenerics<'a>(&'a Generics);
 
 /// Returned by `Generics::split_for_impl`.
@@ -289,8 +301,6 @@ pub struct ImplGenerics<'a>(&'a Generics);
 /// *This type is available only if Syn is built with the `"derive"` or `"full"`
 /// feature and the `"printing"` feature.*
 #[cfg(feature = "printing")]
-#[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 pub struct TypeGenerics<'a>(&'a Generics);
 
 /// Returned by `TypeGenerics::as_turbofish`.
@@ -298,8 +308,6 @@ pub struct TypeGenerics<'a>(&'a Generics);
 /// *This type is available only if Syn is built with the `"derive"` or `"full"`
 /// feature and the `"printing"` feature.*
 #[cfg(feature = "printing")]
-#[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 pub struct Turbofish<'a>(&'a Generics);
 
 #[cfg(feature = "printing")]
@@ -335,6 +343,52 @@ impl Generics {
 }
 
 #[cfg(feature = "printing")]
+macro_rules! generics_wrapper_impls {
+    ($ty:ident) => {
+        #[cfg(feature = "clone-impls")]
+        impl<'a> Clone for $ty<'a> {
+            fn clone(&self) -> Self {
+                $ty(self.0)
+            }
+        }
+
+        #[cfg(feature = "extra-traits")]
+        impl<'a> Debug for $ty<'a> {
+            fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                formatter
+                    .debug_tuple(stringify!($ty))
+                    .field(self.0)
+                    .finish()
+            }
+        }
+
+        #[cfg(feature = "extra-traits")]
+        impl<'a> Eq for $ty<'a> {}
+
+        #[cfg(feature = "extra-traits")]
+        impl<'a> PartialEq for $ty<'a> {
+            fn eq(&self, other: &Self) -> bool {
+                self.0 == other.0
+            }
+        }
+
+        #[cfg(feature = "extra-traits")]
+        impl<'a> Hash for $ty<'a> {
+            fn hash<H: Hasher>(&self, state: &mut H) {
+                self.0.hash(state);
+            }
+        }
+    };
+}
+
+#[cfg(feature = "printing")]
+generics_wrapper_impls!(ImplGenerics);
+#[cfg(feature = "printing")]
+generics_wrapper_impls!(TypeGenerics);
+#[cfg(feature = "printing")]
+generics_wrapper_impls!(Turbofish);
+
+#[cfg(feature = "printing")]
 impl<'a> TypeGenerics<'a> {
     /// Turn a type's generics like `<X, Y>` into a turbofish like `::<X, Y>`.
     ///
@@ -350,7 +404,6 @@ ast_struct! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[derive(Default)]
     pub struct BoundLifetimes {
         pub for_token: Token![for],
         pub lt_token: Token![<],
@@ -359,6 +412,17 @@ ast_struct! {
     }
 }
 
+impl Default for BoundLifetimes {
+    fn default() -> Self {
+        BoundLifetimes {
+            for_token: Default::default(),
+            lt_token: Default::default(),
+            lifetimes: Punctuated::new(),
+            gt_token: Default::default(),
+        }
+    }
+}
+
 impl LifetimeDef {
     pub fn new(lifetime: Lifetime) -> Self {
         LifetimeDef {
@@ -415,7 +479,6 @@ ast_enum! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[cfg_attr(feature = "clone-impls", derive(Copy))]
     pub enum TraitBoundModifier {
         None,
         Maybe(Token![?]),
@@ -513,7 +576,6 @@ pub mod parsing {
 
             let mut params = Punctuated::new();
             let mut allow_lifetime_param = true;
-            let mut allow_type_param = true;
             loop {
                 if input.peek(Token![>]) {
                     break;
@@ -526,7 +588,7 @@ pub mod parsing {
                         attrs,
                         ..input.parse()?
                     }));
-                } else if allow_type_param && lookahead.peek(Ident) {
+                } else if lookahead.peek(Ident) {
                     allow_lifetime_param = false;
                     params.push_value(GenericParam::Type(TypeParam {
                         attrs,
@@ -534,7 +596,6 @@ pub mod parsing {
                     }));
                 } else if lookahead.peek(Token![const]) {
                     allow_lifetime_param = false;
-                    allow_type_param = false;
                     params.push_value(GenericParam::Const(ConstParam {
                         attrs,
                         ..input.parse()?
@@ -1123,9 +1184,9 @@ mod printing {
             self.ident.to_tokens(tokens);
             self.colon_token.to_tokens(tokens);
             self.ty.to_tokens(tokens);
-            if self.default.is_some() {
+            if let Some(default) = &self.default {
                 TokensOrDefault(&self.eq_token).to_tokens(tokens);
-                self.default.to_tokens(tokens);
+                default.to_tokens(tokens);
             }
         }
     }
diff --git a/src/item.rs b/src/item.rs
index 45e05a3d..0d8f7d3d 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -3,10 +3,6 @@ use crate::derive::{Data, DataEnum, DataStruct, DataUnion, DeriveInput};
 use crate::punctuated::Punctuated;
 use proc_macro2::TokenStream;
 
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
-#[cfg(feature = "extra-traits")]
-use std::hash::{Hash, Hasher};
 #[cfg(feature = "parsing")]
 use std::mem;
 
@@ -23,7 +19,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum Item #manual_extra_traits {
+    pub enum Item {
         /// A constant item: `const MAX: u16 = 65535`.
         Const(ItemConst),
 
@@ -191,7 +187,7 @@ ast_struct! {
     /// A 2.0-style declarative macro introduced by the `macro` keyword.
     ///
     /// *This type is available only if Syn is built with the `"full"` feature.*
-    pub struct ItemMacro2 #manual_extra_traits {
+    pub struct ItemMacro2 {
         pub attrs: Vec<Attribute>,
         pub vis: Visibility,
         pub macro_token: Token![macro],
@@ -326,117 +322,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Item {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Item {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Item::Const(this), Item::Const(other)) => this == other,
-            (Item::Enum(this), Item::Enum(other)) => this == other,
-            (Item::ExternCrate(this), Item::ExternCrate(other)) => this == other,
-            (Item::Fn(this), Item::Fn(other)) => this == other,
-            (Item::ForeignMod(this), Item::ForeignMod(other)) => this == other,
-            (Item::Impl(this), Item::Impl(other)) => this == other,
-            (Item::Macro(this), Item::Macro(other)) => this == other,
-            (Item::Macro2(this), Item::Macro2(other)) => this == other,
-            (Item::Mod(this), Item::Mod(other)) => this == other,
-            (Item::Static(this), Item::Static(other)) => this == other,
-            (Item::Struct(this), Item::Struct(other)) => this == other,
-            (Item::Trait(this), Item::Trait(other)) => this == other,
-            (Item::TraitAlias(this), Item::TraitAlias(other)) => this == other,
-            (Item::Type(this), Item::Type(other)) => this == other,
-            (Item::Union(this), Item::Union(other)) => this == other,
-            (Item::Use(this), Item::Use(other)) => this == other,
-            (Item::Verbatim(this), Item::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Item {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            Item::Const(item) => {
-                state.write_u8(0);
-                item.hash(state);
-            }
-            Item::Enum(item) => {
-                state.write_u8(1);
-                item.hash(state);
-            }
-            Item::ExternCrate(item) => {
-                state.write_u8(2);
-                item.hash(state);
-            }
-            Item::Fn(item) => {
-                state.write_u8(3);
-                item.hash(state);
-            }
-            Item::ForeignMod(item) => {
-                state.write_u8(4);
-                item.hash(state);
-            }
-            Item::Impl(item) => {
-                state.write_u8(5);
-                item.hash(state);
-            }
-            Item::Macro(item) => {
-                state.write_u8(6);
-                item.hash(state);
-            }
-            Item::Macro2(item) => {
-                state.write_u8(7);
-                item.hash(state);
-            }
-            Item::Mod(item) => {
-                state.write_u8(8);
-                item.hash(state);
-            }
-            Item::Static(item) => {
-                state.write_u8(9);
-                item.hash(state);
-            }
-            Item::Struct(item) => {
-                state.write_u8(10);
-                item.hash(state);
-            }
-            Item::Trait(item) => {
-                state.write_u8(11);
-                item.hash(state);
-            }
-            Item::TraitAlias(item) => {
-                state.write_u8(12);
-                item.hash(state);
-            }
-            Item::Type(item) => {
-                state.write_u8(13);
-                item.hash(state);
-            }
-            Item::Union(item) => {
-                state.write_u8(14);
-                item.hash(state);
-            }
-            Item::Use(item) => {
-                state.write_u8(15);
-                item.hash(state);
-            }
-            Item::Verbatim(item) => {
-                state.write_u8(16);
-                TokenStreamHelper(item).hash(state);
-            }
-            Item::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 impl Item {
     #[cfg(feature = "parsing")]
     pub(crate) fn replace_attrs(&mut self, new: Vec<Attribute>) -> Vec<Attribute> {
@@ -463,34 +348,6 @@ impl Item {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for ItemMacro2 {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for ItemMacro2 {
-    fn eq(&self, other: &Self) -> bool {
-        self.attrs == other.attrs
-            && self.vis == other.vis
-            && self.macro_token == other.macro_token
-            && self.ident == other.ident
-            && TokenStreamHelper(&self.rules) == TokenStreamHelper(&other.rules)
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for ItemMacro2 {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        self.attrs.hash(state);
-        self.vis.hash(state);
-        self.macro_token.hash(state);
-        self.ident.hash(state);
-        TokenStreamHelper(&self.rules).hash(state);
-    }
-}
-
 impl From<DeriveInput> for Item {
     fn from(input: DeriveInput) -> Item {
         match input.data {
@@ -665,7 +522,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum ForeignItem #manual_extra_traits {
+    pub enum ForeignItem {
         /// A foreign function in an `extern` block.
         Fn(ForeignItemFn),
 
@@ -738,57 +595,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for ForeignItem {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for ForeignItem {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (ForeignItem::Fn(this), ForeignItem::Fn(other)) => this == other,
-            (ForeignItem::Static(this), ForeignItem::Static(other)) => this == other,
-            (ForeignItem::Type(this), ForeignItem::Type(other)) => this == other,
-            (ForeignItem::Macro(this), ForeignItem::Macro(other)) => this == other,
-            (ForeignItem::Verbatim(this), ForeignItem::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for ForeignItem {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            ForeignItem::Fn(item) => {
-                state.write_u8(0);
-                item.hash(state);
-            }
-            ForeignItem::Static(item) => {
-                state.write_u8(1);
-                item.hash(state);
-            }
-            ForeignItem::Type(item) => {
-                state.write_u8(2);
-                item.hash(state);
-            }
-            ForeignItem::Macro(item) => {
-                state.write_u8(3);
-                item.hash(state);
-            }
-            ForeignItem::Verbatim(item) => {
-                state.write_u8(4);
-                TokenStreamHelper(item).hash(state);
-            }
-            ForeignItem::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 ast_enum_of_structs! {
     /// An item declaration within the definition of a trait.
     ///
@@ -802,7 +608,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum TraitItem #manual_extra_traits {
+    pub enum TraitItem {
         /// An associated constant within the definition of a trait.
         Const(TraitItemConst),
 
@@ -877,57 +683,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for TraitItem {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for TraitItem {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (TraitItem::Const(this), TraitItem::Const(other)) => this == other,
-            (TraitItem::Method(this), TraitItem::Method(other)) => this == other,
-            (TraitItem::Type(this), TraitItem::Type(other)) => this == other,
-            (TraitItem::Macro(this), TraitItem::Macro(other)) => this == other,
-            (TraitItem::Verbatim(this), TraitItem::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for TraitItem {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            TraitItem::Const(item) => {
-                state.write_u8(0);
-                item.hash(state);
-            }
-            TraitItem::Method(item) => {
-                state.write_u8(1);
-                item.hash(state);
-            }
-            TraitItem::Type(item) => {
-                state.write_u8(2);
-                item.hash(state);
-            }
-            TraitItem::Macro(item) => {
-                state.write_u8(3);
-                item.hash(state);
-            }
-            TraitItem::Verbatim(item) => {
-                state.write_u8(4);
-                TokenStreamHelper(item).hash(state);
-            }
-            TraitItem::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 ast_enum_of_structs! {
     /// An item within an impl block.
     ///
@@ -941,7 +696,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum ImplItem #manual_extra_traits {
+    pub enum ImplItem {
         /// An associated constant within an impl block.
         Const(ImplItemConst),
 
@@ -1021,57 +776,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for ImplItem {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for ImplItem {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (ImplItem::Const(this), ImplItem::Const(other)) => this == other,
-            (ImplItem::Method(this), ImplItem::Method(other)) => this == other,
-            (ImplItem::Type(this), ImplItem::Type(other)) => this == other,
-            (ImplItem::Macro(this), ImplItem::Macro(other)) => this == other,
-            (ImplItem::Verbatim(this), ImplItem::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for ImplItem {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            ImplItem::Const(item) => {
-                state.write_u8(0);
-                item.hash(state);
-            }
-            ImplItem::Method(item) => {
-                state.write_u8(1);
-                item.hash(state);
-            }
-            ImplItem::Type(item) => {
-                state.write_u8(2);
-                item.hash(state);
-            }
-            ImplItem::Macro(item) => {
-                state.write_u8(3);
-                item.hash(state);
-            }
-            ImplItem::Verbatim(item) => {
-                state.write_u8(4);
-                TokenStreamHelper(item).hash(state);
-            }
-            ImplItem::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 ast_struct! {
     /// A function signature in a trait or implementation: `unsafe fn
     /// initialize(&self)`.
diff --git a/src/lib.rs b/src/lib.rs
index f715c7f6..3da50673 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -250,7 +250,7 @@
 //!   dynamic library libproc_macro from rustc toolchain.
 
 // Syn types in rustdoc of other crates get linked to here.
-#![doc(html_root_url = "https://docs.rs/syn/1.0.38")]
+#![doc(html_root_url = "https://docs.rs/syn/1.0.40")]
 #![deny(clippy::all, clippy::pedantic)]
 // Ignored clippy lints.
 #![allow(
@@ -274,7 +274,9 @@
 // Ignored clippy_pedantic lints.
 #![allow(
     clippy::cast_possible_truncation,
+    clippy::default_trait_access,
     clippy::empty_enum,
+    clippy::expl_impl_clone_on_copy,
     clippy::if_not_else,
     clippy::items_after_statements,
     clippy::match_same_arms,
@@ -762,6 +764,22 @@ mod gen {
     #[rustfmt::skip]
     pub mod fold;
 
+    #[cfg(feature = "clone-impls")]
+    #[rustfmt::skip]
+    mod clone;
+
+    #[cfg(feature = "extra-traits")]
+    #[rustfmt::skip]
+    mod eq;
+
+    #[cfg(feature = "extra-traits")]
+    #[rustfmt::skip]
+    mod hash;
+
+    #[cfg(feature = "extra-traits")]
+    #[rustfmt::skip]
+    mod debug;
+
     #[cfg(any(feature = "full", feature = "derive"))]
     #[path = "../gen_helper.rs"]
     mod helper;
@@ -784,6 +802,9 @@ mod lookahead;
 #[cfg(feature = "parsing")]
 pub mod parse;
 
+#[cfg(feature = "full")]
+mod reserved;
+
 #[cfg(all(any(feature = "full", feature = "derive"), feature = "parsing"))]
 mod verbatim;
 
diff --git a/src/lifetime.rs b/src/lifetime.rs
index d34df34b..959cc5f9 100644
--- a/src/lifetime.rs
+++ b/src/lifetime.rs
@@ -20,8 +20,6 @@ use crate::lookahead;
 ///
 /// *This type is available only if Syn is built with the `"derive"` or `"full"`
 /// feature.*
-#[cfg_attr(feature = "extra-traits", derive(Debug))]
-#[derive(Clone)]
 pub struct Lifetime {
     pub apostrophe: Span,
     pub ident: Ident,
@@ -72,6 +70,15 @@ impl Display for Lifetime {
     }
 }
 
+impl Clone for Lifetime {
+    fn clone(&self) -> Self {
+        Lifetime {
+            apostrophe: self.apostrophe,
+            ident: self.ident.clone(),
+        }
+    }
+}
+
 impl PartialEq for Lifetime {
     fn eq(&self, other: &Lifetime) -> bool {
         self.ident.eq(&other.ident)
diff --git a/src/lit.rs b/src/lit.rs
index 692391d9..ee77e75b 100644
--- a/src/lit.rs
+++ b/src/lit.rs
@@ -30,7 +30,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum Lit #manual_extra_traits {
+    pub enum Lit {
         /// A UTF-8 string literal: `"foo"`.
         Str(LitStr),
 
@@ -61,33 +61,32 @@ ast_enum_of_structs! {
 
 ast_struct! {
     /// A UTF-8 string literal: `"foo"`.
-    pub struct LitStr #manual_extra_traits_debug {
+    pub struct LitStr {
         repr: Box<LitRepr>,
     }
 }
 
 ast_struct! {
     /// A byte string literal: `b"foo"`.
-    pub struct LitByteStr #manual_extra_traits_debug {
+    pub struct LitByteStr {
         repr: Box<LitRepr>,
     }
 }
 
 ast_struct! {
     /// A byte literal: `b'f'`.
-    pub struct LitByte #manual_extra_traits_debug {
+    pub struct LitByte {
         repr: Box<LitRepr>,
     }
 }
 
 ast_struct! {
     /// A character literal: `'a'`.
-    pub struct LitChar #manual_extra_traits_debug {
+    pub struct LitChar {
         repr: Box<LitRepr>,
     }
 }
 
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 struct LitRepr {
     token: Literal,
     suffix: Box<str>,
@@ -95,12 +94,11 @@ struct LitRepr {
 
 ast_struct! {
     /// An integer literal: `1` or `1u16`.
-    pub struct LitInt #manual_extra_traits_debug {
+    pub struct LitInt {
         repr: Box<LitIntRepr>,
     }
 }
 
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 struct LitIntRepr {
     token: Literal,
     digits: Box<str>,
@@ -111,12 +109,11 @@ ast_struct! {
     /// A floating point literal: `1f64` or `1.0e10f64`.
     ///
     /// Must be finite. May not be infinte or NaN.
-    pub struct LitFloat #manual_extra_traits_debug {
+    pub struct LitFloat {
         repr: Box<LitFloatRepr>,
     }
 }
 
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 struct LitFloatRepr {
     token: Literal,
     digits: Box<str>,
@@ -125,75 +122,12 @@ struct LitFloatRepr {
 
 ast_struct! {
     /// A boolean literal: `true` or `false`.
-    pub struct LitBool #manual_extra_traits_debug {
+    pub struct LitBool {
         pub value: bool,
         pub span: Span,
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Lit {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Lit {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Lit::Str(this), Lit::Str(other)) => this == other,
-            (Lit::ByteStr(this), Lit::ByteStr(other)) => this == other,
-            (Lit::Byte(this), Lit::Byte(other)) => this == other,
-            (Lit::Char(this), Lit::Char(other)) => this == other,
-            (Lit::Int(this), Lit::Int(other)) => this == other,
-            (Lit::Float(this), Lit::Float(other)) => this == other,
-            (Lit::Bool(this), Lit::Bool(other)) => this == other,
-            (Lit::Verbatim(this), Lit::Verbatim(other)) => this.to_string() == other.to_string(),
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Lit {
-    fn hash<H>(&self, hash: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            Lit::Str(lit) => {
-                hash.write_u8(0);
-                lit.hash(hash);
-            }
-            Lit::ByteStr(lit) => {
-                hash.write_u8(1);
-                lit.hash(hash);
-            }
-            Lit::Byte(lit) => {
-                hash.write_u8(2);
-                lit.hash(hash);
-            }
-            Lit::Char(lit) => {
-                hash.write_u8(3);
-                lit.hash(hash);
-            }
-            Lit::Int(lit) => {
-                hash.write_u8(4);
-                lit.hash(hash);
-            }
-            Lit::Float(lit) => {
-                hash.write_u8(5);
-                lit.hash(hash);
-            }
-            Lit::Bool(lit) => {
-                hash.write_u8(6);
-                lit.hash(hash);
-            }
-            Lit::Verbatim(lit) => {
-                hash.write_u8(7);
-                lit.to_string().hash(hash);
-            }
-        }
-    }
-}
-
 impl LitStr {
     pub fn new(value: &str, span: Span) -> Self {
         let mut token = Literal::string(value);
@@ -646,15 +580,53 @@ mod debug_impls {
     }
 }
 
+#[cfg(feature = "clone-impls")]
+impl Clone for LitRepr {
+    fn clone(&self) -> Self {
+        LitRepr {
+            token: self.token.clone(),
+            suffix: self.suffix.clone(),
+        }
+    }
+}
+
+#[cfg(feature = "clone-impls")]
+impl Clone for LitIntRepr {
+    fn clone(&self) -> Self {
+        LitIntRepr {
+            token: self.token.clone(),
+            digits: self.digits.clone(),
+            suffix: self.suffix.clone(),
+        }
+    }
+}
+
+#[cfg(feature = "clone-impls")]
+impl Clone for LitFloatRepr {
+    fn clone(&self) -> Self {
+        LitFloatRepr {
+            token: self.token.clone(),
+            digits: self.digits.clone(),
+            suffix: self.suffix.clone(),
+        }
+    }
+}
+
 macro_rules! lit_extra_traits {
-    ($ty:ident, $($field:ident).+) => {
-        #[cfg(feature = "extra-traits")]
-        impl Eq for $ty {}
+    ($ty:ident) => {
+        #[cfg(feature = "clone-impls")]
+        impl Clone for $ty {
+            fn clone(&self) -> Self {
+                $ty {
+                    repr: self.repr.clone(),
+                }
+            }
+        }
 
         #[cfg(feature = "extra-traits")]
         impl PartialEq for $ty {
             fn eq(&self, other: &Self) -> bool {
-                self.$($field).+.to_string() == other.$($field).+.to_string()
+                self.repr.token.to_string() == other.repr.token.to_string()
             }
         }
 
@@ -664,7 +636,7 @@ macro_rules! lit_extra_traits {
             where
                 H: Hasher,
             {
-                self.$($field).+.to_string().hash(state);
+                self.repr.token.to_string().hash(state);
             }
         }
 
@@ -677,13 +649,19 @@ macro_rules! lit_extra_traits {
     };
 }
 
-lit_extra_traits!(LitStr, repr.token);
-lit_extra_traits!(LitByteStr, repr.token);
-lit_extra_traits!(LitByte, repr.token);
-lit_extra_traits!(LitChar, repr.token);
-lit_extra_traits!(LitInt, repr.token);
-lit_extra_traits!(LitFloat, repr.token);
-lit_extra_traits!(LitBool, value);
+lit_extra_traits!(LitStr);
+lit_extra_traits!(LitByteStr);
+lit_extra_traits!(LitByte);
+lit_extra_traits!(LitChar);
+lit_extra_traits!(LitInt);
+lit_extra_traits!(LitFloat);
+
+#[cfg(feature = "parsing")]
+#[doc(hidden)]
+#[allow(non_snake_case)]
+pub fn LitBool(marker: lookahead::TokenMarker) -> LitBool {
+    match marker {}
+}
 
 ast_enum! {
     /// The style of a string literal, either plain quoted or a raw string like
@@ -1453,7 +1431,11 @@ mod value {
                 }
                 b'e' | b'E' => {
                     if has_e {
-                        return None;
+                        if has_exponent {
+                            break;
+                        } else {
+                            return None;
+                        }
                     }
                     has_e = true;
                     bytes[write] = b'e';
diff --git a/src/mac.rs b/src/mac.rs
index 2d94c951..de288a34 100644
--- a/src/mac.rs
+++ b/src/mac.rs
@@ -6,17 +6,13 @@ use proc_macro2::{Delimiter, Group, Span, TokenTree};
 
 #[cfg(feature = "parsing")]
 use crate::parse::{Parse, ParseStream, Parser, Result};
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
-#[cfg(feature = "extra-traits")]
-use std::hash::{Hash, Hasher};
 
 ast_struct! {
     /// A macro invocation: `println!("{}", mac)`.
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    pub struct Macro #manual_extra_traits {
+    pub struct Macro {
         pub path: Path,
         pub bang_token: Token![!],
         pub delimiter: MacroDelimiter,
@@ -36,32 +32,6 @@ ast_enum! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Macro {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Macro {
-    fn eq(&self, other: &Self) -> bool {
-        self.path == other.path
-            && self.bang_token == other.bang_token
-            && self.delimiter == other.delimiter
-            && TokenStreamHelper(&self.tokens) == TokenStreamHelper(&other.tokens)
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Macro {
-    fn hash<H>(&self, state: &mut H)
-    where
-        H: Hasher,
-    {
-        self.path.hash(state);
-        self.bang_token.hash(state);
-        self.delimiter.hash(state);
-        TokenStreamHelper(&self.tokens).hash(state);
-    }
-}
-
 #[cfg(feature = "parsing")]
 fn delimiter_span_close(macro_delimiter: &MacroDelimiter) -> Span {
     let delimiter = match macro_delimiter {
diff --git a/src/macros.rs b/src/macros.rs
index 57091c09..80602243 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -4,15 +4,11 @@ macro_rules! ast_struct {
         struct $name:ident #full $($rest:tt)*
     ) => {
         #[cfg(feature = "full")]
-        #[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
         $($attrs_pub)* struct $name $($rest)*
 
         #[cfg(not(feature = "full"))]
-        #[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
         $($attrs_pub)* struct $name {
-            _noconstruct: (),
+            _noconstruct: ::std::marker::PhantomData<::proc_macro2::Span>,
         }
 
         #[cfg(all(not(feature = "full"), feature = "printing"))]
@@ -25,27 +21,8 @@ macro_rules! ast_struct {
 
     (
         [$($attrs_pub:tt)*]
-        struct $name:ident #manual_extra_traits $($rest:tt)*
-    ) => {
-        #[cfg_attr(feature = "extra-traits", derive(Debug))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
-        $($attrs_pub)* struct $name $($rest)*
-    };
-
-    (
-        [$($attrs_pub:tt)*]
-        struct $name:ident #manual_extra_traits_debug $($rest:tt)*
-    ) => {
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
-        $($attrs_pub)* struct $name $($rest)*
-    };
-
-    (
-        [$($attrs_pub:tt)*]
         struct $name:ident $($rest:tt)*
     ) => {
-        #[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
         $($attrs_pub)* struct $name $($rest)*
     };
 
@@ -65,19 +42,8 @@ macro_rules! ast_enum {
 
     (
         [$($attrs_pub:tt)*]
-        enum $name:ident #manual_extra_traits $($rest:tt)*
-    ) => (
-        #[cfg_attr(feature = "extra-traits", derive(Debug))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
-        $($attrs_pub)* enum $name $($rest)*
-    );
-
-    (
-        [$($attrs_pub:tt)*]
         enum $name:ident $($rest:tt)*
     ) => (
-        #[cfg_attr(feature = "extra-traits", derive(Debug, Eq, PartialEq, Hash))]
-        #[cfg_attr(feature = "clone-impls", derive(Clone))]
         $($attrs_pub)* enum $name $($rest)*
     );
 
diff --git a/src/op.rs b/src/op.rs
index e0e7809f..d254673b 100644
--- a/src/op.rs
+++ b/src/op.rs
@@ -3,7 +3,6 @@ ast_enum! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[cfg_attr(feature = "clone-impls", derive(Copy))]
     pub enum BinOp {
         /// The `+` operator (addition)
         Add(Token![+]),
@@ -69,7 +68,6 @@ ast_enum! {
     ///
     /// *This type is available only if Syn is built with the `"derive"` or `"full"`
     /// feature.*
-    #[cfg_attr(feature = "clone-impls", derive(Copy))]
     pub enum UnOp {
         /// The `*` operator for dereferencing
         Deref(Token![*]),
diff --git a/src/parse.rs b/src/parse.rs
index dffc2ad3..abb4c4c1 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -336,7 +336,6 @@ impl<'a> Debug for ParseBuffer<'a> {
 /// #     .unwrap();
 /// # assert_eq!(remainder.to_string(), "b c");
 /// ```
-#[derive(Copy, Clone)]
 pub struct StepCursor<'c, 'a> {
     scope: Span,
     // This field is covariant in 'c.
@@ -360,6 +359,14 @@ impl<'c, 'a> Deref for StepCursor<'c, 'a> {
     }
 }
 
+impl<'c, 'a> Copy for StepCursor<'c, 'a> {}
+
+impl<'c, 'a> Clone for StepCursor<'c, 'a> {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+
 impl<'c, 'a> StepCursor<'c, 'a> {
     /// Triggers an error at the current position of the parse stream.
     ///
@@ -393,7 +400,6 @@ pub(crate) fn new_parse_buffer(
     }
 }
 
-#[derive(Clone)]
 pub(crate) enum Unexpected {
     None,
     Some(Span),
@@ -406,6 +412,16 @@ impl Default for Unexpected {
     }
 }
 
+impl Clone for Unexpected {
+    fn clone(&self) -> Self {
+        match self {
+            Unexpected::None => Unexpected::None,
+            Unexpected::Some(span) => Unexpected::Some(*span),
+            Unexpected::Chain(next) => Unexpected::Chain(next.clone()),
+        }
+    }
+}
+
 // We call this on Cell<Unexpected> and Cell<Option<T>> where temporarily
 // swapping in a None is cheap.
 fn cell_clone<T: Default + Clone>(cell: &Cell<T>) -> T {
diff --git a/src/pat.rs b/src/pat.rs
index 68d58dc5..e9576a23 100644
--- a/src/pat.rs
+++ b/src/pat.rs
@@ -1,10 +1,6 @@
 use super::*;
 use crate::punctuated::Punctuated;
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
 use proc_macro2::TokenStream;
-#[cfg(feature = "extra-traits")]
-use std::hash::{Hash, Hasher};
 
 ast_enum_of_structs! {
     /// A pattern in a local binding, function signature, match expression, or
@@ -20,7 +16,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum Pat #manual_extra_traits {
+    pub enum Pat {
         /// A box pattern: `box v`.
         Box(PatBox),
 
@@ -278,112 +274,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Pat {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Pat {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Pat::Box(this), Pat::Box(other)) => this == other,
-            (Pat::Ident(this), Pat::Ident(other)) => this == other,
-            (Pat::Lit(this), Pat::Lit(other)) => this == other,
-            (Pat::Macro(this), Pat::Macro(other)) => this == other,
-            (Pat::Or(this), Pat::Or(other)) => this == other,
-            (Pat::Path(this), Pat::Path(other)) => this == other,
-            (Pat::Range(this), Pat::Range(other)) => this == other,
-            (Pat::Reference(this), Pat::Reference(other)) => this == other,
-            (Pat::Rest(this), Pat::Rest(other)) => this == other,
-            (Pat::Slice(this), Pat::Slice(other)) => this == other,
-            (Pat::Struct(this), Pat::Struct(other)) => this == other,
-            (Pat::Tuple(this), Pat::Tuple(other)) => this == other,
-            (Pat::TupleStruct(this), Pat::TupleStruct(other)) => this == other,
-            (Pat::Type(this), Pat::Type(other)) => this == other,
-            (Pat::Verbatim(this), Pat::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            (Pat::Wild(this), Pat::Wild(other)) => this == other,
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Pat {
-    fn hash<H>(&self, hash: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            Pat::Box(pat) => {
-                hash.write_u8(0);
-                pat.hash(hash);
-            }
-            Pat::Ident(pat) => {
-                hash.write_u8(1);
-                pat.hash(hash);
-            }
-            Pat::Lit(pat) => {
-                hash.write_u8(2);
-                pat.hash(hash);
-            }
-            Pat::Macro(pat) => {
-                hash.write_u8(3);
-                pat.hash(hash);
-            }
-            Pat::Or(pat) => {
-                hash.write_u8(4);
-                pat.hash(hash);
-            }
-            Pat::Path(pat) => {
-                hash.write_u8(5);
-                pat.hash(hash);
-            }
-            Pat::Range(pat) => {
-                hash.write_u8(6);
-                pat.hash(hash);
-            }
-            Pat::Reference(pat) => {
-                hash.write_u8(7);
-                pat.hash(hash);
-            }
-            Pat::Rest(pat) => {
-                hash.write_u8(8);
-                pat.hash(hash);
-            }
-            Pat::Slice(pat) => {
-                hash.write_u8(9);
-                pat.hash(hash);
-            }
-            Pat::Struct(pat) => {
-                hash.write_u8(10);
-                pat.hash(hash);
-            }
-            Pat::Tuple(pat) => {
-                hash.write_u8(11);
-                pat.hash(hash);
-            }
-            Pat::TupleStruct(pat) => {
-                hash.write_u8(12);
-                pat.hash(hash);
-            }
-            Pat::Type(pat) => {
-                hash.write_u8(13);
-                pat.hash(hash);
-            }
-            Pat::Verbatim(pat) => {
-                hash.write_u8(14);
-                TokenStreamHelper(pat).hash(hash);
-            }
-            Pat::Wild(pat) => {
-                hash.write_u8(15);
-                pat.hash(hash);
-            }
-            Pat::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 #[cfg(feature = "parsing")]
 pub mod parsing {
     use super::*;
diff --git a/src/punctuated.rs b/src/punctuated.rs
index cdd25c06..46c82a65 100644
--- a/src/punctuated.rs
+++ b/src/punctuated.rs
@@ -22,6 +22,8 @@
 
 #[cfg(feature = "extra-traits")]
 use std::fmt::{self, Debug};
+#[cfg(feature = "extra-traits")]
+use std::hash::{Hash, Hasher};
 #[cfg(any(feature = "full", feature = "derive"))]
 use std::iter;
 use std::iter::FromIterator;
@@ -41,8 +43,6 @@ use crate::token::Token;
 /// Refer to the [module documentation] for details about punctuated sequences.
 ///
 /// [module documentation]: self
-#[cfg_attr(feature = "extra-traits", derive(Eq, PartialEq, Hash))]
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 pub struct Punctuated<T, P> {
     inner: Vec<(T, P)>,
     last: Option<Box<T>>,
@@ -341,6 +341,53 @@ impl<T, P> Punctuated<T, P> {
     }
 }
 
+#[cfg(feature = "clone-impls")]
+impl<T, P> Clone for Punctuated<T, P>
+where
+    T: Clone,
+    P: Clone,
+{
+    fn clone(&self) -> Self {
+        Punctuated {
+            inner: self.inner.clone(),
+            last: self.last.clone(),
+        }
+    }
+}
+
+#[cfg(feature = "extra-traits")]
+impl<T, P> Eq for Punctuated<T, P>
+where
+    T: Eq,
+    P: Eq,
+{
+}
+
+#[cfg(feature = "extra-traits")]
+impl<T, P> PartialEq for Punctuated<T, P>
+where
+    T: PartialEq,
+    P: PartialEq,
+{
+    fn eq(&self, other: &Self) -> bool {
+        let Punctuated { inner, last } = self;
+        *inner == other.inner && *last == other.last
+    }
+}
+
+#[cfg(feature = "extra-traits")]
+impl<T, P> Hash for Punctuated<T, P>
+where
+    T: Hash,
+    P: Hash,
+{
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        let Punctuated { inner, last } = self;
+        inner.hash(state);
+        last.hash(state);
+    }
+}
+
 #[cfg(feature = "extra-traits")]
 impl<T: Debug, P: Debug> Debug for Punctuated<T, P> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -539,7 +586,6 @@ impl<'a, T, P> ExactSizeIterator for PairsMut<'a, T, P> {
 /// Refer to the [module documentation] for details about punctuated sequences.
 ///
 /// [module documentation]: self
-#[derive(Clone)]
 pub struct IntoPairs<T, P> {
     inner: vec::IntoIter<(T, P)>,
     last: option::IntoIter<T>,
@@ -575,12 +621,24 @@ impl<T, P> ExactSizeIterator for IntoPairs<T, P> {
     }
 }
 
+impl<T, P> Clone for IntoPairs<T, P>
+where
+    T: Clone,
+    P: Clone,
+{
+    fn clone(&self) -> Self {
+        IntoPairs {
+            inner: self.inner.clone(),
+            last: self.last.clone(),
+        }
+    }
+}
+
 /// An iterator over owned values of type `T`.
 ///
 /// Refer to the [module documentation] for details about punctuated sequences.
 ///
 /// [module documentation]: self
-#[derive(Clone)]
 pub struct IntoIter<T> {
     inner: vec::IntoIter<T>,
 }
@@ -609,6 +667,17 @@ impl<T> ExactSizeIterator for IntoIter<T> {
     }
 }
 
+impl<T> Clone for IntoIter<T>
+where
+    T: Clone,
+{
+    fn clone(&self) -> Self {
+        IntoIter {
+            inner: self.inner.clone(),
+        }
+    }
+}
+
 /// An iterator over borrowed values of type `&T`.
 ///
 /// Refer to the [module documentation] for details about punctuated sequences.
@@ -802,7 +871,6 @@ impl<'a, T: 'a, I: 'a> IterMutTrait<'a, T> for I where
 /// Refer to the [module documentation] for details about punctuated sequences.
 ///
 /// [module documentation]: self
-#[cfg_attr(feature = "clone-impls", derive(Clone))]
 pub enum Pair<T, P> {
     Punctuated(T, P),
     End(T),
@@ -859,6 +927,20 @@ impl<T, P> Pair<T, P> {
     }
 }
 
+#[cfg(feature = "clone-impls")]
+impl<T, P> Clone for Pair<T, P>
+where
+    T: Clone,
+    P: Clone,
+{
+    fn clone(&self) -> Self {
+        match self {
+            Pair::Punctuated(t, p) => Pair::Punctuated(t.clone(), p.clone()),
+            Pair::End(t) => Pair::End(t.clone()),
+        }
+    }
+}
+
 impl<T, P> Index<usize> for Punctuated<T, P> {
     type Output = T;
 
diff --git a/src/reserved.rs b/src/reserved.rs
new file mode 100644
index 00000000..ccfb8b5a
--- /dev/null
+++ b/src/reserved.rs
@@ -0,0 +1,42 @@
+// Type for a syntax tree node that is reserved for future use.
+//
+// For example ExprReference contains a field `raw` of type Reserved. If `&raw
+// place` syntax becomes a thing as per https://github.com/rust-lang/rfcs/pull/2582,
+// we can backward compatibly change `raw`'s type to Option<Token![raw]> without
+// the possibility of breaking any code.
+
+use proc_macro2::Span;
+use std::marker::PhantomData;
+
+#[cfg(feature = "extra-traits")]
+use std::fmt::{self, Debug};
+
+ast_struct! {
+    pub struct Reserved {
+        _private: PhantomData<Span>,
+    }
+}
+
+impl Default for Reserved {
+    fn default() -> Self {
+        Reserved {
+            _private: PhantomData,
+        }
+    }
+}
+
+#[cfg(feature = "clone-impls")]
+impl Clone for Reserved {
+    fn clone(&self) -> Self {
+        Reserved {
+            _private: self._private,
+        }
+    }
+}
+
+#[cfg(feature = "extra-traits")]
+impl Debug for Reserved {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.debug_struct("Reserved").finish()
+    }
+}
diff --git a/src/token.rs b/src/token.rs
index d23f126b..8539378c 100644
--- a/src/token.rs
+++ b/src/token.rs
@@ -243,7 +243,6 @@ impl<T: CustomToken> Token for T {
 macro_rules! define_keywords {
     ($($token:tt pub struct $name:ident #[$doc:meta])*) => {
         $(
-            #[cfg_attr(feature = "clone-impls", derive(Copy, Clone))]
             #[$doc]
             ///
             /// Don't try to remember the name of this type &mdash; use the
@@ -270,6 +269,16 @@ macro_rules! define_keywords {
                 }
             }
 
+            #[cfg(feature = "clone-impls")]
+            impl Copy for $name {}
+
+            #[cfg(feature = "clone-impls")]
+            impl Clone for $name {
+                fn clone(&self) -> Self {
+                    *self
+                }
+            }
+
             #[cfg(feature = "extra-traits")]
             impl Debug for $name {
                 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -348,7 +357,6 @@ macro_rules! impl_deref_if_len_is_1 {
 macro_rules! define_punctuation_structs {
     ($($token:tt pub struct $name:ident/$len:tt #[$doc:meta])*) => {
         $(
-            #[cfg_attr(feature = "clone-impls", derive(Copy, Clone))]
             #[repr(C)]
             #[$doc]
             ///
@@ -376,6 +384,16 @@ macro_rules! define_punctuation_structs {
                 }
             }
 
+            #[cfg(feature = "clone-impls")]
+            impl Copy for $name {}
+
+            #[cfg(feature = "clone-impls")]
+            impl Clone for $name {
+                fn clone(&self) -> Self {
+                    *self
+                }
+            }
+
             #[cfg(feature = "extra-traits")]
             impl Debug for $name {
                 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -446,7 +464,6 @@ macro_rules! define_punctuation {
 macro_rules! define_delimiters {
     ($($token:tt pub struct $name:ident #[$doc:meta])*) => {
         $(
-            #[cfg_attr(feature = "clone-impls", derive(Copy, Clone))]
             #[$doc]
             pub struct $name {
                 pub span: Span,
@@ -468,6 +485,16 @@ macro_rules! define_delimiters {
                 }
             }
 
+            #[cfg(feature = "clone-impls")]
+            impl Copy for $name {}
+
+            #[cfg(feature = "clone-impls")]
+            impl Clone for $name {
+                fn clone(&self) -> Self {
+                    *self
+                }
+            }
+
             #[cfg(feature = "extra-traits")]
             impl Debug for $name {
                 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
diff --git a/src/ty.rs b/src/ty.rs
index ed263e67..fd7c97ea 100644
--- a/src/ty.rs
+++ b/src/ty.rs
@@ -1,10 +1,6 @@
 use super::*;
 use crate::punctuated::Punctuated;
-#[cfg(feature = "extra-traits")]
-use crate::tt::TokenStreamHelper;
 use proc_macro2::TokenStream;
-#[cfg(feature = "extra-traits")]
-use std::hash::{Hash, Hasher};
 
 ast_enum_of_structs! {
     /// The possible types that a Rust value could have.
@@ -20,7 +16,7 @@ ast_enum_of_structs! {
     //
     // TODO: change syntax-tree-enum link to an intra rustdoc link, currently
     // blocked on https://github.com/rust-lang/rust/issues/62833
-    pub enum Type #manual_extra_traits {
+    pub enum Type {
         /// A fixed size array type: `[T; n]`.
         Array(TypeArray),
 
@@ -240,107 +236,6 @@ ast_struct! {
     }
 }
 
-#[cfg(feature = "extra-traits")]
-impl Eq for Type {}
-
-#[cfg(feature = "extra-traits")]
-impl PartialEq for Type {
-    fn eq(&self, other: &Self) -> bool {
-        match (self, other) {
-            (Type::Array(this), Type::Array(other)) => this == other,
-            (Type::BareFn(this), Type::BareFn(other)) => this == other,
-            (Type::Group(this), Type::Group(other)) => this == other,
-            (Type::ImplTrait(this), Type::ImplTrait(other)) => this == other,
-            (Type::Infer(this), Type::Infer(other)) => this == other,
-            (Type::Macro(this), Type::Macro(other)) => this == other,
-            (Type::Never(this), Type::Never(other)) => this == other,
-            (Type::Paren(this), Type::Paren(other)) => this == other,
-            (Type::Path(this), Type::Path(other)) => this == other,
-            (Type::Ptr(this), Type::Ptr(other)) => this == other,
-            (Type::Reference(this), Type::Reference(other)) => this == other,
-            (Type::Slice(this), Type::Slice(other)) => this == other,
-            (Type::TraitObject(this), Type::TraitObject(other)) => this == other,
-            (Type::Tuple(this), Type::Tuple(other)) => this == other,
-            (Type::Verbatim(this), Type::Verbatim(other)) => {
-                TokenStreamHelper(this) == TokenStreamHelper(other)
-            }
-            _ => false,
-        }
-    }
-}
-
-#[cfg(feature = "extra-traits")]
-impl Hash for Type {
-    fn hash<H>(&self, hash: &mut H)
-    where
-        H: Hasher,
-    {
-        match self {
-            Type::Array(ty) => {
-                hash.write_u8(0);
-                ty.hash(hash);
-            }
-            Type::BareFn(ty) => {
-                hash.write_u8(1);
-                ty.hash(hash);
-            }
-            Type::Group(ty) => {
-                hash.write_u8(2);
-                ty.hash(hash);
-            }
-            Type::ImplTrait(ty) => {
-                hash.write_u8(3);
-                ty.hash(hash);
-            }
-            Type::Infer(ty) => {
-                hash.write_u8(4);
-                ty.hash(hash);
-            }
-            Type::Macro(ty) => {
-                hash.write_u8(5);
-                ty.hash(hash);
-            }
-            Type::Never(ty) => {
-                hash.write_u8(6);
-                ty.hash(hash);
-            }
-            Type::Paren(ty) => {
-                hash.write_u8(7);
-                ty.hash(hash);
-            }
-            Type::Path(ty) => {
-                hash.write_u8(8);
-                ty.hash(hash);
-            }
-            Type::Ptr(ty) => {
-                hash.write_u8(9);
-                ty.hash(hash);
-            }
-            Type::Reference(ty) => {
-                hash.write_u8(10);
-                ty.hash(hash);
-            }
-            Type::Slice(ty) => {
-                hash.write_u8(11);
-                ty.hash(hash);
-            }
-            Type::TraitObject(ty) => {
-                hash.write_u8(12);
-                ty.hash(hash);
-            }
-            Type::Tuple(ty) => {
-                hash.write_u8(13);
-                ty.hash(hash);
-            }
-            Type::Verbatim(ty) => {
-                hash.write_u8(14);
-                TokenStreamHelper(ty).hash(hash);
-            }
-            Type::__Nonexhaustive => unreachable!(),
-        }
-    }
-}
-
 ast_struct! {
     /// The binary interface of a function: `extern "C"`.
     ///
diff --git a/tests/common/eq.rs b/tests/common/eq.rs
index 247a58b7..7589a075 100644
--- a/tests/common/eq.rs
+++ b/tests/common/eq.rs
@@ -14,22 +14,22 @@ use rustc_ast::ast::{
     GenericParam, GenericParamKind, Generics, GlobalAsm, ImplPolarity, InlineAsm, InlineAsmOperand,
     InlineAsmOptions, InlineAsmRegOrRegClass, InlineAsmTemplatePiece, IntTy, IsAuto, Item,
     ItemKind, Label, Lifetime, Lit, LitFloatType, LitIntType, LitKind, LlvmAsmDialect,
-    LlvmInlineAsm, LlvmInlineAsmOutput, Local, MacArgs, MacCall, MacDelimiter, MacStmtStyle,
-    MacroDef, Mod, Movability, MutTy, Mutability, NodeId, Param, ParenthesizedArgs, Pat, PatKind,
-    Path, PathSegment, PolyTraitRef, QSelf, RangeEnd, RangeLimits, RangeSyntax, Stmt, StmtKind,
-    StrLit, StrStyle, StructField, TraitBoundModifier, TraitObjectSyntax, TraitRef, Ty, TyKind,
-    UintTy, UnOp, Unsafe, UnsafeSource, UseTree, UseTreeKind, Variant, VariantData, VisibilityKind,
-    WhereBoundPredicate, WhereClause, WhereEqPredicate, WherePredicate, WhereRegionPredicate,
+    LlvmInlineAsm, LlvmInlineAsmOutput, Local, MacArgs, MacCall, MacCallStmt, MacDelimiter,
+    MacStmtStyle, MacroDef, Mod, Movability, MutTy, Mutability, NodeId, Param, ParenthesizedArgs,
+    Pat, PatKind, Path, PathSegment, PolyTraitRef, QSelf, RangeEnd, RangeLimits, RangeSyntax, Stmt,
+    StmtKind, StrLit, StrStyle, StructField, TraitBoundModifier, TraitObjectSyntax, TraitRef, Ty,
+    TyKind, UintTy, UnOp, Unsafe, UnsafeSource, UseTree, UseTreeKind, Variant, VariantData,
+    VisibilityKind, WhereBoundPredicate, WhereClause, WhereEqPredicate, WherePredicate,
+    WhereRegionPredicate,
 };
 use rustc_ast::ptr::P;
-use rustc_ast::token::{self, DelimToken, Token, TokenKind};
+use rustc_ast::token::{self, CommentKind, DelimToken, Token, TokenKind};
 use rustc_ast::tokenstream::{DelimSpan, TokenStream, TokenTree};
-use rustc_ast::util::comments;
 use rustc_data_structures::sync::Lrc;
 use rustc_data_structures::thin_vec::ThinVec;
 use rustc_span::source_map::Spanned;
 use rustc_span::symbol::Ident;
-use rustc_span::{sym, Span, Symbol, SyntaxContext, DUMMY_SP};
+use rustc_span::{Span, Symbol, SyntaxContext};
 
 pub trait SpanlessEq {
     fn eq(&self, other: &Self) -> bool;
@@ -85,14 +85,6 @@ impl<A: SpanlessEq, B: SpanlessEq> SpanlessEq for (A, B) {
     }
 }
 
-impl<A: SpanlessEq, B: SpanlessEq, C: SpanlessEq> SpanlessEq for (A, B, C) {
-    fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&self.0, &other.0)
-            && SpanlessEq::eq(&self.1, &other.1)
-            && SpanlessEq::eq(&self.2, &other.2)
-    }
-}
-
 macro_rules! spanless_eq_true {
     ($name:ident) => {
         impl SpanlessEq for $name {
@@ -127,6 +119,7 @@ spanless_eq_partial_eq!(usize);
 spanless_eq_partial_eq!(char);
 spanless_eq_partial_eq!(String);
 spanless_eq_partial_eq!(Symbol);
+spanless_eq_partial_eq!(CommentKind);
 spanless_eq_partial_eq!(DelimToken);
 spanless_eq_partial_eq!(InlineAsmOptions);
 
@@ -278,7 +271,7 @@ spanless_eq_struct!(Field; attrs id span ident expr is_shorthand is_placeholder)
 spanless_eq_struct!(FieldPat; ident pat is_shorthand attrs id span is_placeholder);
 spanless_eq_struct!(FnDecl; inputs output);
 spanless_eq_struct!(FnHeader; constness asyncness unsafety ext);
-spanless_eq_struct!(FnSig; header decl);
+spanless_eq_struct!(FnSig; header decl span);
 spanless_eq_struct!(ForeignMod; abi items);
 spanless_eq_struct!(GenericParam; id ident attrs bounds is_placeholder kind);
 spanless_eq_struct!(Generics; params where_clause span);
@@ -292,12 +285,13 @@ spanless_eq_struct!(LlvmInlineAsm; asm asm_str_style outputs inputs clobbers vol
 spanless_eq_struct!(LlvmInlineAsmOutput; constraint expr is_rw is_indirect);
 spanless_eq_struct!(Local; pat ty init id span attrs);
 spanless_eq_struct!(MacCall; path args prior_type_ascription);
+spanless_eq_struct!(MacCallStmt; mac style attrs);
 spanless_eq_struct!(MacroDef; body macro_rules);
 spanless_eq_struct!(Mod; inner items inline);
 spanless_eq_struct!(MutTy; ty mutbl);
 spanless_eq_struct!(Param; attrs ty pat id span is_placeholder);
 spanless_eq_struct!(ParenthesizedArgs; span inputs output);
-spanless_eq_struct!(Pat; id kind span);
+spanless_eq_struct!(Pat; id kind span tokens);
 spanless_eq_struct!(Path; span segments);
 spanless_eq_struct!(PathSegment; ident id args);
 spanless_eq_struct!(PolyTraitRef; bound_generic_params trait_ref span);
@@ -318,7 +312,7 @@ spanless_eq_enum!(AngleBracketedArg; Arg(0) Constraint(0));
 spanless_eq_enum!(AssocItemKind; Const(0 1 2) Fn(0 1 2 3) TyAlias(0 1 2 3) MacCall(0));
 spanless_eq_enum!(AssocTyConstraintKind; Equality(ty) Bound(bounds));
 spanless_eq_enum!(Async; Yes(span closure_id return_impl_trait_id) No);
-spanless_eq_enum!(AttrKind; Normal(0) DocComment(0));
+spanless_eq_enum!(AttrKind; Normal(0) DocComment(0 1));
 spanless_eq_enum!(AttrStyle; Outer Inner);
 spanless_eq_enum!(BinOpKind; Add Sub Mul Div Rem And Or BitXor BitAnd BitOr Shl Shr Eq Lt Le Ne Ge Gt);
 spanless_eq_enum!(BindingMode; ByRef(0) ByValue(0));
@@ -425,44 +419,20 @@ impl SpanlessEq for TokenKind {
 
 impl SpanlessEq for TokenStream {
     fn eq(&self, other: &Self) -> bool {
-        SpanlessEq::eq(&expand_tts(self), &expand_tts(other))
-    }
-}
-
-fn expand_tts(tts: &TokenStream) -> Vec<TokenTree> {
-    let mut tokens = Vec::new();
-    for tt in tts.clone().into_trees() {
-        let c = match tt {
-            TokenTree::Token(Token {
-                kind: TokenKind::DocComment(c),
-                ..
-            }) => c,
-            _ => {
-                tokens.push(tt);
-                continue;
+        let mut this = self.clone().into_trees();
+        let mut other = other.clone().into_trees();
+        loop {
+            let this = match this.next() {
+                None => return other.next().is_none(),
+                Some(val) => val,
+            };
+            let other = match other.next() {
+                None => return false,
+                Some(val) => val,
+            };
+            if !SpanlessEq::eq(&this, &other) {
+                return false;
             }
-        };
-        let contents = comments::strip_doc_comment_decoration(c);
-        let style = comments::doc_comment_style(c);
-        tokens.push(TokenTree::token(TokenKind::Pound, DUMMY_SP));
-        if style == AttrStyle::Inner {
-            tokens.push(TokenTree::token(TokenKind::Not, DUMMY_SP));
         }
-        let lit = token::Lit {
-            kind: token::LitKind::Str,
-            symbol: Symbol::intern(&contents),
-            suffix: None,
-        };
-        let tts = vec![
-            TokenTree::token(TokenKind::Ident(sym::doc, false), DUMMY_SP),
-            TokenTree::token(TokenKind::Eq, DUMMY_SP),
-            TokenTree::token(TokenKind::Literal(lit), DUMMY_SP),
-        ];
-        tokens.push(TokenTree::Delimited(
-            DelimSpan::dummy(),
-            DelimToken::Bracket,
-            tts.into_iter().collect::<TokenStream>().into(),
-        ));
     }
-    tokens
 }
diff --git a/tests/repo/mod.rs b/tests/repo/mod.rs
index 20c5fdd3..1d3e1f0e 100644
--- a/tests/repo/mod.rs
+++ b/tests/repo/mod.rs
@@ -8,17 +8,20 @@ use std::path::Path;
 use tar::Archive;
 use walkdir::DirEntry;
 
-const REVISION: &str = "81e754c359c471f91263813c46c67955071716a7";
+const REVISION: &str = "792c645ca7d11a8d254df307d019c5bf01445c37";
 
 #[rustfmt::skip]
 static EXCLUDE: &[&str] = &[
+    // Compile-fail expr parameter in const generic position: f::<1 + 2>()
+    "test/ui/const-generics/const-expression-parameter.rs",
+
     // Deprecated anonymous parameter syntax in traits
     "test/ui/issues/issue-13105.rs",
     "test/ui/issues/issue-13775.rs",
     "test/ui/issues/issue-34074.rs",
     "test/ui/proc-macro/trait-fn-args-2015.rs",
 
-    // not actually test cases
+    // Not actually test cases
     "test/rustdoc-ui/test-compile-fail2.rs",
     "test/rustdoc-ui/test-compile-fail3.rs",
     "test/ui/include-single-expr-helper.rs",
diff --git a/tests/test_derive_input.rs b/tests/test_derive_input.rs
index fd31fe6b..bf1ebdb6 100644
--- a/tests/test_derive_input.rs
+++ b/tests/test_derive_input.rs
@@ -46,7 +46,7 @@ fn test_struct() {
                         },
                     ],
                 },
-                tokens: TokenStream(`( Debug , Clone )`),
+                tokens: TokenStream(`(Debug , Clone)`),
             },
         ],
         vis: Visibility::Public,
@@ -378,7 +378,7 @@ fn test_attr_with_path() {
                         },
                     ],
                 },
-                tokens: TokenStream(`fn main ( ) { assert_eq ! ( foo ( ) , "Hello, world!" ) ; }`),
+                tokens: TokenStream(`fn main () { assert_eq ! (foo () , "Hello, world!") ; }`),
             },
         ],
         vis: Inherited,
diff --git a/tests/test_generics.rs b/tests/test_generics.rs
index adf1f557..b29434a1 100644
--- a/tests/test_generics.rs
+++ b/tests/test_generics.rs
@@ -265,7 +265,7 @@ fn test_fn_precedence_in_where_clause() {
     assert_eq!(predicate.bounds.len(), 2, "{:#?}", predicate.bounds);
 
     let first_bound = &predicate.bounds[0];
-    assert_eq!(quote!(#first_bound).to_string(), "FnOnce ( ) -> i32");
+    assert_eq!(quote!(#first_bound).to_string(), "FnOnce () -> i32");
 
     let second_bound = &predicate.bounds[1];
     assert_eq!(quote!(#second_bound).to_string(), "Send");
diff --git a/tests/test_grouping.rs b/tests/test_grouping.rs
index c53ab346..a0fe7163 100644
--- a/tests/test_grouping.rs
+++ b/tests/test_grouping.rs
@@ -23,7 +23,7 @@ fn test_grouping() {
         TokenTree::Literal(Literal::i32_suffixed(4)),
     ]);
 
-    assert_eq!(tokens.to_string(), "1i32 +  2i32 + 3i32  * 4i32");
+    assert_eq!(tokens.to_string(), "1i32 + 2i32 + 3i32 * 4i32");
 
     snapshot!(tokens as Expr, @r###"
     Expr::Binary {
diff --git a/tests/test_lit.rs b/tests/test_lit.rs
index 0bd170c3..e995f228 100644
--- a/tests/test_lit.rs
+++ b/tests/test_lit.rs
@@ -191,6 +191,7 @@ fn floats() {
     test_float("5.5e12", 5.5e12, "");
     test_float("1.0__3e-12", 1.03e-12, "");
     test_float("1.03e+12", 1.03e12, "");
+    test_float("9e99e99", 9e99, "e99");
 }
 
 #[test]
diff --git a/tests/test_precedence.rs b/tests/test_precedence.rs
index dfdab3f4..a586b3fe 100644
--- a/tests/test_precedence.rs
+++ b/tests/test_precedence.rs
@@ -156,7 +156,7 @@ fn test_expressions(edition: Edition, exprs: Vec<syn::Expr>) -> (usize, usize) {
     let mut passed = 0;
     let mut failed = 0;
 
-    rustc_ast::with_session_globals(edition, || {
+    rustc_span::with_session_globals(edition, || {
         for expr in exprs {
             let raw = quote!(#expr).to_string();
 
diff --git a/tests/test_round_trip.rs b/tests/test_round_trip.rs
index 99268a7c..260dd0c3 100644
--- a/tests/test_round_trip.rs
+++ b/tests/test_round_trip.rs
@@ -79,7 +79,7 @@ fn test_round_trip() {
             let edition = repo::edition(path).parse().unwrap();
 
             let equal = panic::catch_unwind(|| {
-                rustc_ast::with_session_globals(edition, || {
+                rustc_span::with_session_globals(edition, || {
                     let sess = ParseSess::new(FilePathMapping::empty());
                     let before = match librustc_parse(content, &sess) {
                         Ok(before) => before,
diff --git a/tests/test_shebang.rs b/tests/test_shebang.rs
index e76e1803..dc26b9aa 100644
--- a/tests/test_shebang.rs
+++ b/tests/test_shebang.rs
@@ -40,7 +40,7 @@ fn test_comment() {
                         },
                     ],
                 },
-                tokens: TokenStream(`( dead_code )`),
+                tokens: TokenStream(`(dead_code)`),
             },
         ],
         items: [
diff --git a/tests/test_token_trees.rs b/tests/test_token_trees.rs
index 4256382d..5b00448a 100644
--- a/tests/test_token_trees.rs
+++ b/tests/test_token_trees.rs
@@ -17,7 +17,7 @@ fn test_struct() {
 
     snapshot!(input as TokenStream, @r###"
     TokenStream(
-        `# [ derive ( Debug , Clone ) ] pub struct Item { pub ident : Ident , pub attrs : Vec < Attribute >, }`,
+        `# [derive (Debug , Clone)] pub struct Item { pub ident : Ident , pub attrs : Vec < Attribute >, }`,
     )
     "###);
 }