Struct std::collections::hash_map::DrainUnstable

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

HashMap drain iterator.

Trait Implementations

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

type Item = (K, V)

fn next(&mut self) -> Option<(K, V)>

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

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

fn len(&self) -> usize

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

type Item = (K, V)

fn next(&mut self) -> Option<(K, V)>

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

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

fn len(&self) -> usize