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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/rayon/src/collections/vec_deque.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rayon/src/collections/vec_deque.rs')
-rw-r--r--vendor/rayon/src/collections/vec_deque.rs159
1 files changed, 0 insertions, 159 deletions
diff --git a/vendor/rayon/src/collections/vec_deque.rs b/vendor/rayon/src/collections/vec_deque.rs
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--- a/vendor/rayon/src/collections/vec_deque.rs
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@@ -1,159 +0,0 @@
-//! This module contains the parallel iterator types for double-ended queues
-//! (`VecDeque<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::VecDeque;
-use std::ops::{Range, RangeBounds};
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-use crate::math::simplify_range;
-
-use crate::slice;
-use crate::vec;
-
-/// Parallel iterator over a double-ended queue
-#[derive(Debug, Clone)]
-pub struct IntoIter<T: Send> {
- inner: vec::IntoIter<T>,
-}
-
-impl<T: Send> IntoParallelIterator for VecDeque<T> {
- type Item = T;
- type Iter = IntoIter<T>;
-
- fn into_par_iter(self) -> Self::Iter {
- // NOTE: requires data movement if the deque doesn't start at offset 0.
- let inner = Vec::from(self).into_par_iter();
- IntoIter { inner }
- }
-}
-
-delegate_indexed_iterator! {
- IntoIter<T> => T,
- impl<T: Send>
-}
-
-/// Parallel iterator over an immutable reference to a double-ended queue
-#[derive(Debug)]
-pub struct Iter<'a, T: Sync> {
- inner: Chain<slice::Iter<'a, T>, slice::Iter<'a, T>>,
-}
-
-impl<'a, T: Sync> Clone for Iter<'a, T> {
- fn clone(&self) -> Self {
- Iter {
- inner: self.inner.clone(),
- }
- }
-}
-
-impl<'a, T: Sync> IntoParallelIterator for &'a VecDeque<T> {
- type Item = &'a T;
- type Iter = Iter<'a, T>;
-
- fn into_par_iter(self) -> Self::Iter {
- let (a, b) = self.as_slices();
- Iter {
- inner: a.into_par_iter().chain(b),
- }
- }
-}
-
-delegate_indexed_iterator! {
- Iter<'a, T> => &'a T,
- impl<'a, T: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a double-ended queue
-#[derive(Debug)]
-pub struct IterMut<'a, T: Send> {
- inner: Chain<slice::IterMut<'a, T>, slice::IterMut<'a, T>>,
-}
-
-impl<'a, T: Send> IntoParallelIterator for &'a mut VecDeque<T> {
- type Item = &'a mut T;
- type Iter = IterMut<'a, T>;
-
- fn into_par_iter(self) -> Self::Iter {
- let (a, b) = self.as_mut_slices();
- IterMut {
- inner: a.into_par_iter().chain(b),
- }
- }
-}
-
-delegate_indexed_iterator! {
- IterMut<'a, T> => &'a mut T,
- impl<'a, T: Send + 'a>
-}
-
-/// Draining parallel iterator that moves a range out of a double-ended queue,
-/// but keeps the total capacity.
-#[derive(Debug)]
-pub struct Drain<'a, T: Send> {
- deque: &'a mut VecDeque<T>,
- range: Range<usize>,
- orig_len: usize,
-}
-
-impl<'a, T: Send> ParallelDrainRange<usize> for &'a mut VecDeque<T> {
- type Iter = Drain<'a, T>;
- type Item = T;
-
- fn par_drain<R: RangeBounds<usize>>(self, range: R) -> Self::Iter {
- Drain {
- orig_len: self.len(),
- range: simplify_range(range, self.len()),
- deque: self,
- }
- }
-}
-
-impl<'a, T: Send> ParallelIterator for Drain<'a, T> {
- type Item = T;
-
- fn drive_unindexed<C>(self, consumer: C) -> C::Result
- where
- C: UnindexedConsumer<Self::Item>,
- {
- bridge(self, consumer)
- }
-
- fn opt_len(&self) -> Option<usize> {
- Some(self.len())
- }
-}
-
-impl<'a, T: Send> IndexedParallelIterator for Drain<'a, T> {
- fn drive<C>(self, consumer: C) -> C::Result
- where
- C: Consumer<Self::Item>,
- {
- bridge(self, consumer)
- }
-
- fn len(&self) -> usize {
- self.range.len()
- }
-
- fn with_producer<CB>(self, callback: CB) -> CB::Output
- where
- CB: ProducerCallback<Self::Item>,
- {
- // NOTE: requires data movement if the deque doesn't start at offset 0.
- super::DrainGuard::new(self.deque)
- .par_drain(self.range.clone())
- .with_producer(callback)
- }
-}
-
-impl<'a, T: Send> Drop for Drain<'a, T> {
- fn drop(&mut self) {
- if self.deque.len() != self.orig_len - self.range.len() {
- // We must not have produced, so just call a normal drain to remove the items.
- assert_eq!(self.deque.len(), self.orig_len);
- self.deque.drain(self.range.clone());
- }
- }
-}