Rollup merge of #34732 - durka:patch-27, r=steveklabnik

document DoubleEndedIterator::next_back

document DoubleEndedIterator::next_back

fixes #34726
This commit is contained in:
Steve Klabnik 2016-07-26 17:21:11 -04:00 committed by GitHub
commit f57388844d

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@ -386,10 +386,11 @@ pub trait Extend<A> {
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub trait DoubleEndedIterator: Iterator {
/// An iterator able to yield elements from both ends.
/// Removes and returns an element from the end of the iterator.
///
/// As this is the only method for this trait, the [trait-level] docs
/// contain more details.
/// Returns `None` when there are no more elements.
///
/// The [trait-level] docs contain more details.
///
/// [trait-level]: trait.DoubleEndedIterator.html
///