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Rollup merge of #31247 - tshepang:redundant-bindings, r=steveklabnik

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This commit is contained in:
Steve Klabnik 2016-02-02 00:32:18 -05:00
commit e65f29a3b8
1 changed files with 10 additions and 28 deletions
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38
src/libcore/iter.rs
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@ -2756,20 +2756,11 @@ pub trait Extend<A> {
///
/// let mut iter = numbers.iter();
///
/// let n = iter.next();
/// assert_eq!(Some(&1), n);
///
/// let n = iter.next_back();
/// assert_eq!(Some(&3), n);
///
/// let n = iter.next_back();
/// assert_eq!(Some(&2), n);
///
/// let n = iter.next();
/// assert_eq!(None, n);
///
/// let n = iter.next_back();
/// assert_eq!(None, n);
/// assert_eq!(Some(&1), iter.next());
/// assert_eq!(Some(&3), iter.next_back());
/// assert_eq!(Some(&2), iter.next_back());
/// assert_eq!(None, iter.next());
/// assert_eq!(None, iter.next_back());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub trait DoubleEndedIterator: Iterator {
@ -2789,20 +2780,11 @@ pub trait DoubleEndedIterator: Iterator {
///
/// let mut iter = numbers.iter();
///
/// let n = iter.next();
/// assert_eq!(Some(&1), n);
///
/// let n = iter.next_back();
/// assert_eq!(Some(&3), n);
///
/// let n = iter.next_back();
/// assert_eq!(Some(&2), n);
///
/// let n = iter.next();
/// assert_eq!(None, n);
///
/// let n = iter.next_back();
/// assert_eq!(None, n);
/// assert_eq!(Some(&1), iter.next());
/// assert_eq!(Some(&3), iter.next_back());
/// assert_eq!(Some(&2), iter.next_back());
/// assert_eq!(None, iter.next());
/// assert_eq!(None, iter.next_back());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
fn next_back(&mut self) -> Option<Self::Item>;