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iterator: cleanup

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This commit is contained in:
Daniel Micay 2013-08-13 21:41:50 -04:00
parent 45426c3b4c
commit fe047e07ba
1 changed files with 3 additions and 4 deletions
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7
src/libstd/iterator.rs
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@ -174,6 +174,7 @@ pub trait Iterator<A> {
/// assert!(it.peek().is_none());
/// assert!(it.next().is_none());
/// ~~~
#[inline]
fn peekable(self) -> Peekable<A, Self> {
Peekable{iter: self, peeked: None}
}
@ -931,8 +932,7 @@ impl<'self, A, B, T: Iterator<A>> Iterator<B> for Map<'self, A, B, T> {
}
}
impl<'self, A, B, T: DoubleEndedIterator<A>> DoubleEndedIterator<B>
for Map<'self, A, B, T> {
impl<'self, A, B, T: DoubleEndedIterator<A>> DoubleEndedIterator<B> for Map<'self, A, B, T> {
#[inline]
fn next_back(&mut self) -> Option<B> {
let next = self.iter.next_back();
@ -940,8 +940,7 @@ for Map<'self, A, B, T> {
}
}
impl<'self, A, B, T: RandomAccessIterator<A>> RandomAccessIterator<B>
for Map<'self, A, B, T> {
impl<'self, A, B, T: RandomAccessIterator<A>> RandomAccessIterator<B> for Map<'self, A, B, T> {
#[inline]
fn indexable(&self) -> uint {
self.iter.indexable()