// errorcheck // Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Verify that erroneous initialization expressions are caught by the compiler // Does not compile. package main type S struct { A, B, C, X, Y, Z int } type T struct { S } var x = 1 var a1 = S { 0, X: 1 } // ERROR "mixture|undefined" var a2 = S { Y: 3, Z: 2, Y: 3 } // ERROR "duplicate" var a3 = T { S{}, 2, 3, 4, 5, 6 } // ERROR "convert|too many" var a4 = [5]byte{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } // ERROR "index|too many" var a5 = []byte { x: 2 } // ERROR "index" var ok1 = S { } // should be ok var ok2 = T { S: ok1 } // should be ok // These keys can be computed at compile time but they are // not constants as defined by the spec, so they do not trigger // compile-time errors about duplicate key values. // See issue 4555. type Key struct {X, Y int} var _ = map[Key]string{ Key{1,2}: "hello", Key{1,2}: "world", }