libsyntax: remove unnecessary `to_string()` calls

2 files changed, 12 insertions, 12 deletions

diff --git a/src/libsyntax/parse/lexer/comments.rs b/src/libsyntax/parse/lexer/comments.rs
index f9877d937ca..aeec6ee13fd 100644
--- a/src/libsyntax/parse/lexer/comments.rs
+++ b/src/libsyntax/parse/lexer/comments.rs
@@ -389,41 +389,41 @@ mod test {
     #[test] fn test_block_doc_comment_1() {
         let comment = "/**\n * Test \n **  Test\n *   Test\n*/";
         let stripped = strip_doc_comment_decoration(comment);
-        assert_eq!(stripped, " Test \n*  Test\n   Test".to_string());
+        assert_eq!(stripped, " Test \n*  Test\n   Test");
     }
 
     #[test] fn test_block_doc_comment_2() {
         let comment = "/**\n * Test\n *  Test\n*/";
         let stripped = strip_doc_comment_decoration(comment);
-        assert_eq!(stripped, " Test\n  Test".to_string());
+        assert_eq!(stripped, " Test\n  Test");
     }
 
     #[test] fn test_block_doc_comment_3() {
         let comment = "/**\n let a: *int;\n *a = 5;\n*/";
         let stripped = strip_doc_comment_decoration(comment);
-        assert_eq!(stripped, " let a: *int;\n *a = 5;".to_string());
+        assert_eq!(stripped, " let a: *int;\n *a = 5;");
     }
 
     #[test] fn test_block_doc_comment_4() {
         let comment = "/*******************\n test\n *********************/";
         let stripped = strip_doc_comment_decoration(comment);
-        assert_eq!(stripped, " test".to_string());
+        assert_eq!(stripped, " test");
     }
 
     #[test] fn test_line_doc_comment() {
         let stripped = strip_doc_comment_decoration("/// test");
-        assert_eq!(stripped, " test".to_string());
+        assert_eq!(stripped, " test");
         let stripped = strip_doc_comment_decoration("///! test");
-        assert_eq!(stripped, " test".to_string());
+        assert_eq!(stripped, " test");
         let stripped = strip_doc_comment_decoration("// test");
-        assert_eq!(stripped, " test".to_string());
+        assert_eq!(stripped, " test");
         let stripped = strip_doc_comment_decoration("// test");
-        assert_eq!(stripped, " test".to_string());
+        assert_eq!(stripped, " test");
         let stripped = strip_doc_comment_decoration("///test");
-        assert_eq!(stripped, "test".to_string());
+        assert_eq!(stripped, "test");
         let stripped = strip_doc_comment_decoration("///!test");
-        assert_eq!(stripped, "test".to_string());
+        assert_eq!(stripped, "test");
         let stripped = strip_doc_comment_decoration("//test");
-        assert_eq!(stripped, "test".to_string());
+        assert_eq!(stripped, "test");
     }
 }
diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs
index 8d0c2de048a..951fe11a470 100644
--- a/src/libsyntax/parse/mod.rs
+++ b/src/libsyntax/parse/mod.rs
@@ -954,7 +954,7 @@ mod test {
             }\
         ]\
     }\
-]".to_string()
+]"
         );
     }