53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
//! This module contains the parallel iterator types for B-Tree sets
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//! (`BTreeSet<T>`). You will rarely need to interact with it directly
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//! unless you have need to name one of the iterator types.
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use std::collections::BTreeSet;
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use crate::iter::plumbing::*;
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use crate::iter::*;
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use crate::vec;
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/// Parallel iterator over a B-Tree set
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#[derive(Debug)] // std doesn't Clone
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pub struct IntoIter<T: Ord + Send> {
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inner: vec::IntoIter<T>,
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}
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into_par_vec! {
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BTreeSet<T> => IntoIter<T>,
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impl<T: Ord + Send>
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}
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delegate_iterator! {
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IntoIter<T> => T,
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impl<T: Ord + Send>
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}
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/// Parallel iterator over an immutable reference to a B-Tree set
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#[derive(Debug)]
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pub struct Iter<'a, T: Ord + Sync> {
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inner: vec::IntoIter<&'a T>,
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}
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impl<'a, T: Ord + Sync + 'a> Clone for Iter<'a, T> {
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fn clone(&self) -> Self {
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Iter {
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inner: self.inner.clone(),
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}
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}
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}
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into_par_vec! {
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&'a BTreeSet<T> => Iter<'a, T>,
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impl<'a, T: Ord + Sync>
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}
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delegate_iterator! {
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Iter<'a, T> => &'a T,
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impl<'a, T: Ord + Sync + 'a>
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}
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// `BTreeSet` doesn't have a mutable `Iterator`
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