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path: root/src/libsyntax/ext/tt/macro_parser.rs
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-rw-r--r--src/libsyntax/ext/tt/macro_parser.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs
index d752e34c112..a3224c25d09 100644
--- a/src/libsyntax/ext/tt/macro_parser.rs
+++ b/src/libsyntax/ext/tt/macro_parser.rs
@@ -283,7 +283,7 @@ pub fn parse(sess: &ParseSess,
              -> ParseResult {
     let mut cur_eis = Vec::new();
     cur_eis.push(initial_matcher_pos(Rc::new(ms.iter()
-                                                .map(|x| (*x).clone())
+                                                .cloned()
                                                 .collect()),
                                      None,
                                      rdr.peek().sp.lo));