diff options
| -rw-r--r-- | src/libcore/iter/traits/iterator.rs | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs index 30923c74145..d934b20a33f 100644 --- a/src/libcore/iter/traits/iterator.rs +++ b/src/libcore/iter/traits/iterator.rs @@ -263,9 +263,7 @@ pub trait Iterator { #[inline] #[stable(feature = "rust1", since = "1.0.0")] fn last(self) -> Option<Self::Item> where Self: Sized { - let mut last = None; - for x in self { last = Some(x); } - last + self.fold(None, |_, x| Some(x)) } /// Returns the `n`th element of the iterator. |