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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/rayon/src/iter/zip_eq.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/rayon/src/iter/zip_eq.rs')
-rw-r--r--vendor/rayon/src/iter/zip_eq.rs72
1 files changed, 72 insertions, 0 deletions
diff --git a/vendor/rayon/src/iter/zip_eq.rs b/vendor/rayon/src/iter/zip_eq.rs
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+use super::plumbing::*;
+use super::*;
+
+/// An [`IndexedParallelIterator`] that iterates over two parallel iterators of equal
+/// length simultaneously.
+///
+/// This struct is created by the [`zip_eq`] method on [`IndexedParallelIterator`],
+/// see its documentation for more information.
+///
+/// [`zip_eq`]: trait.IndexedParallelIterator.html#method.zip_eq
+/// [`IndexedParallelIterator`]: trait.IndexedParallelIterator.html
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[derive(Debug, Clone)]
+pub struct ZipEq<A: IndexedParallelIterator, B: IndexedParallelIterator> {
+ zip: Zip<A, B>,
+}
+
+impl<A, B> ZipEq<A, B>
+where
+ A: IndexedParallelIterator,
+ B: IndexedParallelIterator,
+{
+ /// Creates a new `ZipEq` iterator.
+ pub(super) fn new(a: A, b: B) -> Self {
+ ZipEq {
+ zip: super::Zip::new(a, b),
+ }
+ }
+}
+
+impl<A, B> ParallelIterator for ZipEq<A, B>
+where
+ A: IndexedParallelIterator,
+ B: IndexedParallelIterator,
+{
+ type Item = (A::Item, B::Item);
+
+ fn drive_unindexed<C>(self, consumer: C) -> C::Result
+ where
+ C: UnindexedConsumer<Self::Item>,
+ {
+ bridge(self.zip, consumer)
+ }
+
+ fn opt_len(&self) -> Option<usize> {
+ Some(self.zip.len())
+ }
+}
+
+impl<A, B> IndexedParallelIterator for ZipEq<A, B>
+where
+ A: IndexedParallelIterator,
+ B: IndexedParallelIterator,
+{
+ fn drive<C>(self, consumer: C) -> C::Result
+ where
+ C: Consumer<Self::Item>,
+ {
+ bridge(self.zip, consumer)
+ }
+
+ fn len(&self) -> usize {
+ self.zip.len()
+ }
+
+ fn with_producer<CB>(self, callback: CB) -> CB::Output
+ where
+ CB: ProducerCallback<Self::Item>,
+ {
+ self.zip.with_producer(callback)
+ }
+}