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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/iter/map_with.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rayon/src/iter/map_with.rs')
-rw-r--r--vendor/rayon/src/iter/map_with.rs573
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diff --git a/vendor/rayon/src/iter/map_with.rs b/vendor/rayon/src/iter/map_with.rs
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--- a/vendor/rayon/src/iter/map_with.rs
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@@ -1,573 +0,0 @@
-use super::plumbing::*;
-use super::*;
-
-use std::fmt::{self, Debug};
-
-/// `MapWith` is an iterator that transforms the elements of an underlying iterator.
-///
-/// This struct is created by the [`map_with()`] method on [`ParallelIterator`]
-///
-/// [`map_with()`]: trait.ParallelIterator.html#method.map_with
-/// [`ParallelIterator`]: trait.ParallelIterator.html
-#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
-#[derive(Clone)]
-pub struct MapWith<I: ParallelIterator, T, F> {
- base: I,
- item: T,
- map_op: F,
-}
-
-impl<I: ParallelIterator + Debug, T: Debug, F> Debug for MapWith<I, T, F> {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- f.debug_struct("MapWith")
- .field("base", &self.base)
- .field("item", &self.item)
- .finish()
- }
-}
-
-impl<I, T, F> MapWith<I, T, F>
-where
- I: ParallelIterator,
-{
- /// Creates a new `MapWith` iterator.
- pub(super) fn new(base: I, item: T, map_op: F) -> Self {
- MapWith { base, item, map_op }
- }
-}
-
-impl<I, T, F, R> ParallelIterator for MapWith<I, T, F>
-where
- I: ParallelIterator,
- T: Send + Clone,
- F: Fn(&mut T, I::Item) -> R + Sync + Send,
- R: Send,
-{
- type Item = R;
-
- fn drive_unindexed<C>(self, consumer: C) -> C::Result
- where
- C: UnindexedConsumer<Self::Item>,
- {
- let consumer1 = MapWithConsumer::new(consumer, self.item, &self.map_op);
- self.base.drive_unindexed(consumer1)
- }
-
- fn opt_len(&self) -> Option<usize> {
- self.base.opt_len()
- }
-}
-
-impl<I, T, F, R> IndexedParallelIterator for MapWith<I, T, F>
-where
- I: IndexedParallelIterator,
- T: Send + Clone,
- F: Fn(&mut T, I::Item) -> R + Sync + Send,
- R: Send,
-{
- fn drive<C>(self, consumer: C) -> C::Result
- where
- C: Consumer<Self::Item>,
- {
- let consumer1 = MapWithConsumer::new(consumer, self.item, &self.map_op);
- self.base.drive(consumer1)
- }
-
- fn len(&self) -> usize {
- self.base.len()
- }
-
- fn with_producer<CB>(self, callback: CB) -> CB::Output
- where
- CB: ProducerCallback<Self::Item>,
- {
- return self.base.with_producer(Callback {
- callback,
- item: self.item,
- map_op: self.map_op,
- });
-
- struct Callback<CB, U, F> {
- callback: CB,
- item: U,
- map_op: F,
- }
-
- impl<T, U, F, R, CB> ProducerCallback<T> for Callback<CB, U, F>
- where
- CB: ProducerCallback<R>,
- U: Send + Clone,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
- {
- type Output = CB::Output;
-
- fn callback<P>(self, base: P) -> CB::Output
- where
- P: Producer<Item = T>,
- {
- let producer = MapWithProducer {
- base,
- item: self.item,
- map_op: &self.map_op,
- };
- self.callback.callback(producer)
- }
- }
- }
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-
-struct MapWithProducer<'f, P, U, F> {
- base: P,
- item: U,
- map_op: &'f F,
-}
-
-impl<'f, P, U, F, R> Producer for MapWithProducer<'f, P, U, F>
-where
- P: Producer,
- U: Send + Clone,
- F: Fn(&mut U, P::Item) -> R + Sync,
- R: Send,
-{
- type Item = R;
- type IntoIter = MapWithIter<'f, P::IntoIter, U, F>;
-
- fn into_iter(self) -> Self::IntoIter {
- MapWithIter {
- base: self.base.into_iter(),
- item: self.item,
- map_op: self.map_op,
- }
- }
-
- fn min_len(&self) -> usize {
- self.base.min_len()
- }
- fn max_len(&self) -> usize {
- self.base.max_len()
- }
-
- fn split_at(self, index: usize) -> (Self, Self) {
- let (left, right) = self.base.split_at(index);
- (
- MapWithProducer {
- base: left,
- item: self.item.clone(),
- map_op: self.map_op,
- },
- MapWithProducer {
- base: right,
- item: self.item,
- map_op: self.map_op,
- },
- )
- }
-
- fn fold_with<G>(self, folder: G) -> G
- where
- G: Folder<Self::Item>,
- {
- let folder1 = MapWithFolder {
- base: folder,
- item: self.item,
- map_op: self.map_op,
- };
- self.base.fold_with(folder1).base
- }
-}
-
-struct MapWithIter<'f, I, U, F> {
- base: I,
- item: U,
- map_op: &'f F,
-}
-
-impl<'f, I, U, F, R> Iterator for MapWithIter<'f, I, U, F>
-where
- I: Iterator,
- F: Fn(&mut U, I::Item) -> R + Sync,
- R: Send,
-{
- type Item = R;
-
- fn next(&mut self) -> Option<R> {
- let item = self.base.next()?;
- Some((self.map_op)(&mut self.item, item))
- }
-
- fn size_hint(&self) -> (usize, Option<usize>) {
- self.base.size_hint()
- }
-}
-
-impl<'f, I, U, F, R> DoubleEndedIterator for MapWithIter<'f, I, U, F>
-where
- I: DoubleEndedIterator,
- F: Fn(&mut U, I::Item) -> R + Sync,
- R: Send,
-{
- fn next_back(&mut self) -> Option<R> {
- let item = self.base.next_back()?;
- Some((self.map_op)(&mut self.item, item))
- }
-}
-
-impl<'f, I, U, F, R> ExactSizeIterator for MapWithIter<'f, I, U, F>
-where
- I: ExactSizeIterator,
- F: Fn(&mut U, I::Item) -> R + Sync,
- R: Send,
-{
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-/// Consumer implementation
-
-struct MapWithConsumer<'f, C, U, F> {
- base: C,
- item: U,
- map_op: &'f F,
-}
-
-impl<'f, C, U, F> MapWithConsumer<'f, C, U, F> {
- fn new(base: C, item: U, map_op: &'f F) -> Self {
- MapWithConsumer { base, item, map_op }
- }
-}
-
-impl<'f, T, U, R, C, F> Consumer<T> for MapWithConsumer<'f, C, U, F>
-where
- C: Consumer<R>,
- U: Send + Clone,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
-{
- type Folder = MapWithFolder<'f, C::Folder, U, F>;
- type Reducer = C::Reducer;
- type Result = C::Result;
-
- fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
- let (left, right, reducer) = self.base.split_at(index);
- (
- MapWithConsumer::new(left, self.item.clone(), self.map_op),
- MapWithConsumer::new(right, self.item, self.map_op),
- reducer,
- )
- }
-
- fn into_folder(self) -> Self::Folder {
- MapWithFolder {
- base: self.base.into_folder(),
- item: self.item,
- map_op: self.map_op,
- }
- }
-
- fn full(&self) -> bool {
- self.base.full()
- }
-}
-
-impl<'f, T, U, R, C, F> UnindexedConsumer<T> for MapWithConsumer<'f, C, U, F>
-where
- C: UnindexedConsumer<R>,
- U: Send + Clone,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
-{
- fn split_off_left(&self) -> Self {
- MapWithConsumer::new(self.base.split_off_left(), self.item.clone(), self.map_op)
- }
-
- fn to_reducer(&self) -> Self::Reducer {
- self.base.to_reducer()
- }
-}
-
-struct MapWithFolder<'f, C, U, F> {
- base: C,
- item: U,
- map_op: &'f F,
-}
-
-impl<'f, T, U, R, C, F> Folder<T> for MapWithFolder<'f, C, U, F>
-where
- C: Folder<R>,
- F: Fn(&mut U, T) -> R,
-{
- type Result = C::Result;
-
- fn consume(mut self, item: T) -> Self {
- let mapped_item = (self.map_op)(&mut self.item, item);
- self.base = self.base.consume(mapped_item);
- self
- }
-
- fn consume_iter<I>(mut self, iter: I) -> Self
- where
- I: IntoIterator<Item = T>,
- {
- fn with<'f, T, U, R>(
- item: &'f mut U,
- map_op: impl Fn(&mut U, T) -> R + 'f,
- ) -> impl FnMut(T) -> R + 'f {
- move |x| map_op(item, x)
- }
-
- {
- let mapped_iter = iter.into_iter().map(with(&mut self.item, self.map_op));
- self.base = self.base.consume_iter(mapped_iter);
- }
- self
- }
-
- fn complete(self) -> C::Result {
- self.base.complete()
- }
-
- fn full(&self) -> bool {
- self.base.full()
- }
-}
-
-// ------------------------------------------------------------------------------------------------
-
-/// `MapInit` is an iterator that transforms the elements of an underlying iterator.
-///
-/// This struct is created by the [`map_init()`] method on [`ParallelIterator`]
-///
-/// [`map_init()`]: trait.ParallelIterator.html#method.map_init
-/// [`ParallelIterator`]: trait.ParallelIterator.html
-#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
-#[derive(Clone)]
-pub struct MapInit<I: ParallelIterator, INIT, F> {
- base: I,
- init: INIT,
- map_op: F,
-}
-
-impl<I: ParallelIterator + Debug, INIT, F> Debug for MapInit<I, INIT, F> {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- f.debug_struct("MapInit").field("base", &self.base).finish()
- }
-}
-
-impl<I, INIT, F> MapInit<I, INIT, F>
-where
- I: ParallelIterator,
-{
- /// Creates a new `MapInit` iterator.
- pub(super) fn new(base: I, init: INIT, map_op: F) -> Self {
- MapInit { base, init, map_op }
- }
-}
-
-impl<I, INIT, T, F, R> ParallelIterator for MapInit<I, INIT, F>
-where
- I: ParallelIterator,
- INIT: Fn() -> T + Sync + Send,
- F: Fn(&mut T, I::Item) -> R + Sync + Send,
- R: Send,
-{
- type Item = R;
-
- fn drive_unindexed<C>(self, consumer: C) -> C::Result
- where
- C: UnindexedConsumer<Self::Item>,
- {
- let consumer1 = MapInitConsumer::new(consumer, &self.init, &self.map_op);
- self.base.drive_unindexed(consumer1)
- }
-
- fn opt_len(&self) -> Option<usize> {
- self.base.opt_len()
- }
-}
-
-impl<I, INIT, T, F, R> IndexedParallelIterator for MapInit<I, INIT, F>
-where
- I: IndexedParallelIterator,
- INIT: Fn() -> T + Sync + Send,
- F: Fn(&mut T, I::Item) -> R + Sync + Send,
- R: Send,
-{
- fn drive<C>(self, consumer: C) -> C::Result
- where
- C: Consumer<Self::Item>,
- {
- let consumer1 = MapInitConsumer::new(consumer, &self.init, &self.map_op);
- self.base.drive(consumer1)
- }
-
- fn len(&self) -> usize {
- self.base.len()
- }
-
- fn with_producer<CB>(self, callback: CB) -> CB::Output
- where
- CB: ProducerCallback<Self::Item>,
- {
- return self.base.with_producer(Callback {
- callback,
- init: self.init,
- map_op: self.map_op,
- });
-
- struct Callback<CB, INIT, F> {
- callback: CB,
- init: INIT,
- map_op: F,
- }
-
- impl<T, INIT, U, F, R, CB> ProducerCallback<T> for Callback<CB, INIT, F>
- where
- CB: ProducerCallback<R>,
- INIT: Fn() -> U + Sync,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
- {
- type Output = CB::Output;
-
- fn callback<P>(self, base: P) -> CB::Output
- where
- P: Producer<Item = T>,
- {
- let producer = MapInitProducer {
- base,
- init: &self.init,
- map_op: &self.map_op,
- };
- self.callback.callback(producer)
- }
- }
- }
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-
-struct MapInitProducer<'f, P, INIT, F> {
- base: P,
- init: &'f INIT,
- map_op: &'f F,
-}
-
-impl<'f, P, INIT, U, F, R> Producer for MapInitProducer<'f, P, INIT, F>
-where
- P: Producer,
- INIT: Fn() -> U + Sync,
- F: Fn(&mut U, P::Item) -> R + Sync,
- R: Send,
-{
- type Item = R;
- type IntoIter = MapWithIter<'f, P::IntoIter, U, F>;
-
- fn into_iter(self) -> Self::IntoIter {
- MapWithIter {
- base: self.base.into_iter(),
- item: (self.init)(),
- map_op: self.map_op,
- }
- }
-
- fn min_len(&self) -> usize {
- self.base.min_len()
- }
- fn max_len(&self) -> usize {
- self.base.max_len()
- }
-
- fn split_at(self, index: usize) -> (Self, Self) {
- let (left, right) = self.base.split_at(index);
- (
- MapInitProducer {
- base: left,
- init: self.init,
- map_op: self.map_op,
- },
- MapInitProducer {
- base: right,
- init: self.init,
- map_op: self.map_op,
- },
- )
- }
-
- fn fold_with<G>(self, folder: G) -> G
- where
- G: Folder<Self::Item>,
- {
- let folder1 = MapWithFolder {
- base: folder,
- item: (self.init)(),
- map_op: self.map_op,
- };
- self.base.fold_with(folder1).base
- }
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-/// Consumer implementation
-
-struct MapInitConsumer<'f, C, INIT, F> {
- base: C,
- init: &'f INIT,
- map_op: &'f F,
-}
-
-impl<'f, C, INIT, F> MapInitConsumer<'f, C, INIT, F> {
- fn new(base: C, init: &'f INIT, map_op: &'f F) -> Self {
- MapInitConsumer { base, init, map_op }
- }
-}
-
-impl<'f, T, INIT, U, R, C, F> Consumer<T> for MapInitConsumer<'f, C, INIT, F>
-where
- C: Consumer<R>,
- INIT: Fn() -> U + Sync,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
-{
- type Folder = MapWithFolder<'f, C::Folder, U, F>;
- type Reducer = C::Reducer;
- type Result = C::Result;
-
- fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) {
- let (left, right, reducer) = self.base.split_at(index);
- (
- MapInitConsumer::new(left, self.init, self.map_op),
- MapInitConsumer::new(right, self.init, self.map_op),
- reducer,
- )
- }
-
- fn into_folder(self) -> Self::Folder {
- MapWithFolder {
- base: self.base.into_folder(),
- item: (self.init)(),
- map_op: self.map_op,
- }
- }
-
- fn full(&self) -> bool {
- self.base.full()
- }
-}
-
-impl<'f, T, INIT, U, R, C, F> UnindexedConsumer<T> for MapInitConsumer<'f, C, INIT, F>
-where
- C: UnindexedConsumer<R>,
- INIT: Fn() -> U + Sync,
- F: Fn(&mut U, T) -> R + Sync,
- R: Send,
-{
- fn split_off_left(&self) -> Self {
- MapInitConsumer::new(self.base.split_off_left(), self.init, self.map_op)
- }
-
- fn to_reducer(&self) -> Self::Reducer {
- self.base.to_reducer()
- }
-}