From 7da904c4e75d68eaf77ecaca59e82fa932251e0c Mon Sep 17 00:00:00 2001
From: Yang Song <songy23@users.noreply.github.com>
Date: Tue, 18 Sep 2018 16:25:14 -0700
Subject: Common: Add an API Functions.returnToString(). (#1443)

* Common: Add an API Functions.returnToString().

* Fix comments and add tests.
---
 .../main/java/io/opencensus/contrib/zpages/TracezZPageHandler.java | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

(limited to 'contrib')

diff --git a/contrib/zpages/src/main/java/io/opencensus/contrib/zpages/TracezZPageHandler.java b/contrib/zpages/src/main/java/io/opencensus/contrib/zpages/TracezZPageHandler.java
index 0da29d73..f6a36996 100644
--- a/contrib/zpages/src/main/java/io/opencensus/contrib/zpages/TracezZPageHandler.java
+++ b/contrib/zpages/src/main/java/io/opencensus/contrib/zpages/TracezZPageHandler.java
@@ -654,12 +654,7 @@ final class TracezZPageHandler extends ZPageHandler {
   // The return type needs to be nullable when this function is used as an argument to 'match' in
   // attributeValueToString, because 'match' doesn't allow covariant return types.
   private static final Function<Object, /*@Nullable*/ String> returnToString =
-      new Function<Object, /*@Nullable*/ String>() {
-        @Override
-        public String apply(Object input) {
-          return input.toString();
-        }
-      };
+      Functions.returnToString();
 
   @javax.annotation.Nullable
   private static String attributeValueToString(AttributeValue attributeValue) {
-- 
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