Struct std::collections::btree_map::Keys
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[src]
pub struct Keys<'a, K, V> where K: 'a, V: 'a {
// some fields omitted
}1.0.0An iterator over a BTreeMap's keys.
Trait Implementations
impl<'a, K, V> Clone for Keys<'a, K, V>
fn clone(&self) -> Keys<'a, K, V>
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead
fn clone_from(&mut self, source: &Self)
impl<'a, K, V> ExactSizeIterator for Keys<'a, K, V>
fn len(&self) -> usize
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead
impl<'a, K, V> DoubleEndedIterator for Keys<'a, K, V>
fn next_back(&mut self) -> Option<&'a K>
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead
impl<'a, K, V> Iterator for Keys<'a, K, V>
type Item = &'a K
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead
fn next(&mut self) -> Option<&'a K>
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead
fn size_hint(&self) -> (usize, Option<usize>)
Unstable (
collections #27783): library is unlikely to be stabilized with the current layout and name, use std::collections instead