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Contents
//! This module contains the parallel iterator types for B-Tree maps
//! (`BTreeMap<K, V>`). You will rarely need to interact with it directly
//! unless you have need to name one of the iterator types.
use std::collections::BTreeMap;
use crate::iter::plumbing::*;
use crate::iter::*;
use crate::vec;
/// Parallel iterator over a B-Tree map
#[derive(Debug)] // std doesn't Clone
pub struct IntoIter<K: Ord + Send, V: Send> {
inner: vec::IntoIter<(K, V)>,
}
into_par_vec! {
BTreeMap<K, V> => IntoIter<K, V>,
impl<K: Ord + Send, V: Send>
}
delegate_iterator! {
IntoIter<K, V> => (K, V),
impl<K: Ord + Send, V: Send>
}
/// Parallel iterator over an immutable reference to a B-Tree map
#[derive(Debug)]
pub struct Iter<'a, K: Ord + Sync, V: Sync> {
inner: vec::IntoIter<(&'a K, &'a V)>,
}
impl<'a, K: Ord + Sync, V: Sync> Clone for Iter<'a, K, V> {
fn clone(&self) -> Self {
Iter {
inner: self.inner.clone(),
}
}
}
into_par_vec! {
&'a BTreeMap<K, V> => Iter<'a, K, V>,
impl<'a, K: Ord + Sync, V: Sync>
}
delegate_iterator! {
Iter<'a, K, V> => (&'a K, &'a V),
impl<'a, K: Ord + Sync + 'a, V: Sync + 'a>
}
/// Parallel iterator over a mutable reference to a B-Tree map
#[derive(Debug)]
pub struct IterMut<'a, K: Ord + Sync, V: Send> {
inner: vec::IntoIter<(&'a K, &'a mut V)>,
}
into_par_vec! {
&'a mut BTreeMap<K, V> => IterMut<'a, K, V>,
impl<'a, K: Ord + Sync, V: Send>
}
delegate_iterator! {
IterMut<'a, K, V> => (&'a K, &'a mut V),
impl<'a, K: Ord + Sync + 'a, V: Send + 'a>
}
Version data entries
38 entries across 38 versions & 1 rubygems