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-rw-r--r--vendor/rayon/src/iter/try_reduce.rs131
1 files changed, 0 insertions, 131 deletions
diff --git a/vendor/rayon/src/iter/try_reduce.rs b/vendor/rayon/src/iter/try_reduce.rs
deleted file mode 100644
index 35a724c..0000000
--- a/vendor/rayon/src/iter/try_reduce.rs
+++ /dev/null
@@ -1,131 +0,0 @@
-use super::plumbing::*;
-use super::ParallelIterator;
-use super::Try;
-
-use std::ops::ControlFlow::{self, Break, Continue};
-use std::sync::atomic::{AtomicBool, Ordering};
-
-pub(super) fn try_reduce<PI, R, ID, T>(pi: PI, identity: ID, reduce_op: R) -> T
-where
- PI: ParallelIterator<Item = T>,
- R: Fn(T::Output, T::Output) -> T + Sync,
- ID: Fn() -> T::Output + Sync,
- T: Try + Send,
-{
- let full = AtomicBool::new(false);
- let consumer = TryReduceConsumer {
- identity: &identity,
- reduce_op: &reduce_op,
- full: &full,
- };
- pi.drive_unindexed(consumer)
-}
-
-struct TryReduceConsumer<'r, R, ID> {
- identity: &'r ID,
- reduce_op: &'r R,
- full: &'r AtomicBool,
-}
-
-impl<'r, R, ID> Copy for TryReduceConsumer<'r, R, ID> {}
-
-impl<'r, R, ID> Clone for TryReduceConsumer<'r, R, ID> {
- fn clone(&self) -> Self {
- *self
- }
-}
-
-impl<'r, R, ID, T> Consumer<T> for TryReduceConsumer<'r, R, ID>
-where
- R: Fn(T::Output, T::Output) -> T + Sync,
- ID: Fn() -> T::Output + Sync,
- T: Try + Send,
-{
- type Folder = TryReduceFolder<'r, R, T>;
- type Reducer = Self;
- type Result = T;
-
- fn split_at(self, _index: usize) -> (Self, Self, Self) {
- (self, self, self)
- }
-
- fn into_folder(self) -> Self::Folder {
- TryReduceFolder {
- reduce_op: self.reduce_op,
- control: Continue((self.identity)()),
- full: self.full,
- }
- }
-
- fn full(&self) -> bool {
- self.full.load(Ordering::Relaxed)
- }
-}
-
-impl<'r, R, ID, T> UnindexedConsumer<T> for TryReduceConsumer<'r, R, ID>
-where
- R: Fn(T::Output, T::Output) -> T + Sync,
- ID: Fn() -> T::Output + Sync,
- T: Try + Send,
-{
- fn split_off_left(&self) -> Self {
- *self
- }
-
- fn to_reducer(&self) -> Self::Reducer {
- *self
- }
-}
-
-impl<'r, R, ID, T> Reducer<T> for TryReduceConsumer<'r, R, ID>
-where
- R: Fn(T::Output, T::Output) -> T + Sync,
- T: Try,
-{
- fn reduce(self, left: T, right: T) -> T {
- match (left.branch(), right.branch()) {
- (Continue(left), Continue(right)) => (self.reduce_op)(left, right),
- (Break(r), _) | (_, Break(r)) => T::from_residual(r),
- }
- }
-}
-
-struct TryReduceFolder<'r, R, T: Try> {
- reduce_op: &'r R,
- control: ControlFlow<T::Residual, T::Output>,
- full: &'r AtomicBool,
-}
-
-impl<'r, R, T> Folder<T> for TryReduceFolder<'r, R, T>
-where
- R: Fn(T::Output, T::Output) -> T,
- T: Try,
-{
- type Result = T;
-
- fn consume(mut self, item: T) -> Self {
- let reduce_op = self.reduce_op;
- self.control = match (self.control, item.branch()) {
- (Continue(left), Continue(right)) => reduce_op(left, right).branch(),
- (control @ Break(_), _) | (_, control @ Break(_)) => control,
- };
- if let Break(_) = self.control {
- self.full.store(true, Ordering::Relaxed);
- }
- self
- }
-
- fn complete(self) -> T {
- match self.control {
- Continue(c) => T::from_output(c),
- Break(r) => T::from_residual(r),
- }
- }
-
- fn full(&self) -> bool {
- match self.control {
- Break(_) => true,
- _ => self.full.load(Ordering::Relaxed),
- }
- }
-}