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-rw-r--r--src/libsyntax/ext/format.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax/ext/format.rs b/src/libsyntax/ext/format.rs
index 36dbf117604..16aaccb0207 100644
--- a/src/libsyntax/ext/format.rs
+++ b/src/libsyntax/ext/format.rs
@@ -499,7 +499,7 @@ impl<'a, 'b> Context<'a, 'b> {
                                             self.ecx.expr_ident(e.span, name)));
             heads.push(self.ecx.expr_addr_of(e.span, e));
         }
-        for name in self.name_ordering.iter() {
+        for name in &self.name_ordering {
             let e = match self.names.remove(name) {
                 Some(e) => e,
                 None => continue
@@ -706,7 +706,7 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt, sp: Span,
             cx.ecx.span_err(cx.args[i].span, "argument never used");
         }
     }
-    for (name, e) in cx.names.iter() {
+    for (name, e) in &cx.names {
         if !cx.name_types.contains_key(name) {
             cx.ecx.span_err(e.span, "named argument never used");
         }