diff options
| -rw-r--r-- | src/libcore/iter.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs index 53b72fe2ba7..97dcb2475a3 100644 --- a/src/libcore/iter.rs +++ b/src/libcore/iter.rs @@ -1683,7 +1683,7 @@ impl<B, I: Iterator, F> Iterator for Map<I, F> where F: FnMut(I::Item) -> B { #[inline] fn next(&mut self) -> Option<B> { - self.iter.next().map(self.f) + self.iter.next().map(&mut self.f) } #[inline] @@ -1698,7 +1698,7 @@ impl<B, I: DoubleEndedIterator, F> DoubleEndedIterator for Map<I, F> where { #[inline] fn next_back(&mut self) -> Option<B> { - self.iter.next_back().map(self.f) + self.iter.next_back().map(&mut self.f) } } @@ -2210,7 +2210,7 @@ impl<I: Iterator, U: IntoIterator, F> Iterator for FlatMap<I, U, F> return Some(x) } } - match self.iter.next().map(self.f) { + match self.iter.next().map(&mut self.f) { None => return self.backiter.as_mut().and_then(|it| it.next()), next => self.frontiter = next.map(IntoIterator::into_iter), } @@ -2243,7 +2243,7 @@ impl<I: DoubleEndedIterator, U, F> DoubleEndedIterator for FlatMap<I, U, F> wher return Some(y) } } - match self.iter.next_back().map(self.f) { + match self.iter.next_back().map(&mut self.f) { None => return self.frontiter.as_mut().and_then(|it| it.next_back()), next => self.backiter = next.map(IntoIterator::into_iter), } |