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-rw-r--r--src/libcore/iter/mod.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libcore/iter/mod.rs b/src/libcore/iter/mod.rs
index be09182c01a..de1a318cfb2 100644
--- a/src/libcore/iter/mod.rs
+++ b/src/libcore/iter/mod.rs
@@ -553,13 +553,13 @@ impl<'a, I, T: 'a> DoubleEndedIterator for Copied<I>
     fn try_rfold<B, F, R>(&mut self, init: B, mut f: F) -> R where
         Self: Sized, F: FnMut(B, Self::Item) -> R, R: Try<Ok=B>
     {
-        self.it.try_rfold(init, move |acc, elt| f(acc, elt.clone()))
+        self.it.try_rfold(init, move |acc, &elt| f(acc, elt))
     }
 
     fn rfold<Acc, F>(self, init: Acc, mut f: F) -> Acc
         where F: FnMut(Acc, Self::Item) -> Acc,
     {
-        self.it.rfold(init, move |acc, elt| f(acc, elt.clone()))
+        self.it.rfold(init, move |acc, &elt| f(acc, elt))
     }
 }