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-rw-r--r--vendor/rayon/src/iter/copied.rs223
1 files changed, 0 insertions, 223 deletions
diff --git a/vendor/rayon/src/iter/copied.rs b/vendor/rayon/src/iter/copied.rs
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--- a/vendor/rayon/src/iter/copied.rs
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-use super::plumbing::*;
-use super::*;
-
-use std::iter;
-
-/// `Copied` is an iterator that copies the elements of an underlying iterator.
-///
-/// This struct is created by the [`copied()`] method on [`ParallelIterator`]
-///
-/// [`copied()`]: trait.ParallelIterator.html#method.copied
-/// [`ParallelIterator`]: trait.ParallelIterator.html
-#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
-#[derive(Debug, Clone)]
-pub struct Copied<I: ParallelIterator> {
- base: I,
-}
-
-impl<I> Copied<I>
-where
- I: ParallelIterator,
-{
- /// Creates a new `Copied` iterator.
- pub(super) fn new(base: I) -> Self {
- Copied { base }
- }
-}
-
-impl<'a, T, I> ParallelIterator for Copied<I>
-where
- I: ParallelIterator<Item = &'a T>,
- T: 'a + Copy + Send + Sync,
-{
- type Item = T;
-
- fn drive_unindexed<C>(self, consumer: C) -> C::Result
- where
- C: UnindexedConsumer<Self::Item>,
- {
- let consumer1 = CopiedConsumer::new(consumer);
- self.base.drive_unindexed(consumer1)
- }
-
- fn opt_len(&self) -> Option<usize> {
- self.base.opt_len()
- }
-}
-
-impl<'a, T, I> IndexedParallelIterator for Copied<I>
-where
- I: IndexedParallelIterator<Item = &'a T>,
- T: 'a + Copy + Send + Sync,
-{
- fn drive<C>(self, consumer: C) -> C::Result
- where
- C: Consumer<Self::Item>,
- {
- let consumer1 = CopiedConsumer::new(consumer);
- 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 });
-
- struct Callback<CB> {
- callback: CB,
- }
-
- impl<'a, T, CB> ProducerCallback<&'a T> for Callback<CB>
- where
- CB: ProducerCallback<T>,
- T: 'a + Copy + Send,
- {
- type Output = CB::Output;
-
- fn callback<P>(self, base: P) -> CB::Output
- where
- P: Producer<Item = &'a T>,
- {
- let producer = CopiedProducer { base };
- self.callback.callback(producer)
- }
- }
- }
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-
-struct CopiedProducer<P> {
- base: P,
-}
-
-impl<'a, T, P> Producer for CopiedProducer<P>
-where
- P: Producer<Item = &'a T>,
- T: 'a + Copy,
-{
- type Item = T;
- type IntoIter = iter::Copied<P::IntoIter>;
-
- fn into_iter(self) -> Self::IntoIter {
- self.base.into_iter().copied()
- }
-
- 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);
- (
- CopiedProducer { base: left },
- CopiedProducer { base: right },
- )
- }
-
- fn fold_with<F>(self, folder: F) -> F
- where
- F: Folder<Self::Item>,
- {
- self.base.fold_with(CopiedFolder { base: folder }).base
- }
-}
-
-/// ////////////////////////////////////////////////////////////////////////
-/// Consumer implementation
-
-struct CopiedConsumer<C> {
- base: C,
-}
-
-impl<C> CopiedConsumer<C> {
- fn new(base: C) -> Self {
- CopiedConsumer { base }
- }
-}
-
-impl<'a, T, C> Consumer<&'a T> for CopiedConsumer<C>
-where
- C: Consumer<T>,
- T: 'a + Copy,
-{
- type Folder = CopiedFolder<C::Folder>;
- 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);
- (
- CopiedConsumer::new(left),
- CopiedConsumer::new(right),
- reducer,
- )
- }
-
- fn into_folder(self) -> Self::Folder {
- CopiedFolder {
- base: self.base.into_folder(),
- }
- }
-
- fn full(&self) -> bool {
- self.base.full()
- }
-}
-
-impl<'a, T, C> UnindexedConsumer<&'a T> for CopiedConsumer<C>
-where
- C: UnindexedConsumer<T>,
- T: 'a + Copy,
-{
- fn split_off_left(&self) -> Self {
- CopiedConsumer::new(self.base.split_off_left())
- }
-
- fn to_reducer(&self) -> Self::Reducer {
- self.base.to_reducer()
- }
-}
-
-struct CopiedFolder<F> {
- base: F,
-}
-
-impl<'a, T, F> Folder<&'a T> for CopiedFolder<F>
-where
- F: Folder<T>,
- T: 'a + Copy,
-{
- type Result = F::Result;
-
- fn consume(self, &item: &'a T) -> Self {
- CopiedFolder {
- base: self.base.consume(item),
- }
- }
-
- fn consume_iter<I>(mut self, iter: I) -> Self
- where
- I: IntoIterator<Item = &'a T>,
- {
- self.base = self.base.consume_iter(iter.into_iter().copied());
- self
- }
-
- fn complete(self) -> F::Result {
- self.base.complete()
- }
-
- fn full(&self) -> bool {
- self.base.full()
- }
-}