`for x in xs.iter_mut()` -> `for x in &mut xs`

Also `for x in option.iter_mut()` -> `if let Some(ref mut x) = option`

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 ac4a149a3ed..0eec182e0fc 100644
--- a/src/libsyntax/ext/tt/macro_parser.rs
+++ b/src/libsyntax/ext/tt/macro_parser.rs
@@ -444,7 +444,7 @@ pub fn parse(sess: &ParseSess,
         if token_name_eq(&tok, &token::Eof) {
             if eof_eis.len() == 1us {
                 let mut v = Vec::new();
-                for dv in (&mut eof_eis[0]).matches.iter_mut() {
+                for dv in &mut (&mut eof_eis[0]).matches {
                     v.push(dv.pop().unwrap());
                 }
                 return Success(nameize(sess, ms, &v[]));