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Diffstat (limited to 'vendor/rustc-rayon/src/iter/noop.rs')
-rw-r--r-- | vendor/rustc-rayon/src/iter/noop.rs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/rustc-rayon/src/iter/noop.rs b/vendor/rustc-rayon/src/iter/noop.rs new file mode 100644 index 000000000..1e55ecb20 --- /dev/null +++ b/vendor/rustc-rayon/src/iter/noop.rs @@ -0,0 +1,59 @@ +use super::plumbing::*; + +pub(super) struct NoopConsumer; + +impl<T> Consumer<T> for NoopConsumer { + type Folder = NoopConsumer; + type Reducer = NoopReducer; + type Result = (); + + fn split_at(self, _index: usize) -> (Self, Self, NoopReducer) { + (NoopConsumer, NoopConsumer, NoopReducer) + } + + fn into_folder(self) -> Self { + self + } + + fn full(&self) -> bool { + false + } +} + +impl<T> Folder<T> for NoopConsumer { + type Result = (); + + fn consume(self, _item: T) -> Self { + self + } + + fn consume_iter<I>(self, iter: I) -> Self + where + I: IntoIterator<Item = T>, + { + iter.into_iter().for_each(drop); + self + } + + fn complete(self) {} + + fn full(&self) -> bool { + false + } +} + +impl<T> UnindexedConsumer<T> for NoopConsumer { + fn split_off_left(&self) -> Self { + NoopConsumer + } + + fn to_reducer(&self) -> NoopReducer { + NoopReducer + } +} + +pub(super) struct NoopReducer; + +impl Reducer<()> for NoopReducer { + fn reduce(self, _left: (), _right: ()) {} +} |