diff options
| -rw-r--r-- | src/libcore/iter/traits/iterator.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs index 955d643fb69..d644787d2c4 100644 --- a/src/libcore/iter/traits/iterator.rs +++ b/src/libcore/iter/traits/iterator.rs @@ -267,7 +267,12 @@ pub trait Iterator { #[inline] #[stable(feature = "rust1", since = "1.0.0")] fn last(self) -> Option<Self::Item> where Self: Sized { - self.fold(None, |_, x| Some(x)) + #[inline] + fn some<T>(_: Option<T>, x: T) -> Option<T> { + Some(x) + } + + self.fold(None, some) } /// Returns the `n`th element of the iterator. |