Struct std::collections::btree_map::KeysStable

pub struct Keys<'a, K, V> where K: 'a, V: 'a {
    // some fields omitted
}

An iterator over a BTreeMap's keys.

Trait Implementations

impl<'a, K, V> Iterator for Keys<'a, K, V>

type Item = &'a K

fn next(&mut self) -> Option<&'a K>

fn size_hint(&self) -> (usize, Option<usize>)

fn size_hint(&self) -> (usize, Option<usize>)

impl<'a, K, V> DoubleEndedIterator for Keys<'a, K, V>

fn next_back(&mut self) -> Option<&'a K>

impl<'a, K, V> ExactSizeIterator for Keys<'a, K, V>

fn len(&self) -> usize