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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/result.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rayon/src/result.rs')
-rw-r--r--vendor/rayon/src/result.rs132
1 files changed, 0 insertions, 132 deletions
diff --git a/vendor/rayon/src/result.rs b/vendor/rayon/src/result.rs
deleted file mode 100644
index 43685ca..0000000
--- a/vendor/rayon/src/result.rs
+++ /dev/null
@@ -1,132 +0,0 @@
-//! Parallel iterator types for [results][std::result]
-//!
-//! You will rarely need to interact with this module directly unless you need
-//! to name one of the iterator types.
-//!
-//! [std::result]: https://doc.rust-lang.org/stable/std/result/
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-use std::sync::Mutex;
-
-use crate::option;
-
-/// Parallel iterator over a result
-#[derive(Debug, Clone)]
-pub struct IntoIter<T: Send> {
- inner: option::IntoIter<T>,
-}
-
-impl<T: Send, E> IntoParallelIterator for Result<T, E> {
- type Item = T;
- type Iter = IntoIter<T>;
-
- fn into_par_iter(self) -> Self::Iter {
- IntoIter {
- inner: self.ok().into_par_iter(),
- }
- }
-}
-
-delegate_indexed_iterator! {
- IntoIter<T> => T,
- impl<T: Send>
-}
-
-/// Parallel iterator over an immutable reference to a result
-#[derive(Debug)]
-pub struct Iter<'a, T: Sync> {
- inner: option::IntoIter<&'a T>,
-}
-
-impl<'a, T: Sync> Clone for Iter<'a, T> {
- fn clone(&self) -> Self {
- Iter {
- inner: self.inner.clone(),
- }
- }
-}
-
-impl<'a, T: Sync, E> IntoParallelIterator for &'a Result<T, E> {
- type Item = &'a T;
- type Iter = Iter<'a, T>;
-
- fn into_par_iter(self) -> Self::Iter {
- Iter {
- inner: self.as_ref().ok().into_par_iter(),
- }
- }
-}
-
-delegate_indexed_iterator! {
- Iter<'a, T> => &'a T,
- impl<'a, T: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a result
-#[derive(Debug)]
-pub struct IterMut<'a, T: Send> {
- inner: option::IntoIter<&'a mut T>,
-}
-
-impl<'a, T: Send, E> IntoParallelIterator for &'a mut Result<T, E> {
- type Item = &'a mut T;
- type Iter = IterMut<'a, T>;
-
- fn into_par_iter(self) -> Self::Iter {
- IterMut {
- inner: self.as_mut().ok().into_par_iter(),
- }
- }
-}
-
-delegate_indexed_iterator! {
- IterMut<'a, T> => &'a mut T,
- impl<'a, T: Send + 'a>
-}
-
-/// Collect an arbitrary `Result`-wrapped collection.
-///
-/// If any item is `Err`, then all previous `Ok` items collected are
-/// discarded, and it returns that error. If there are multiple errors, the
-/// one returned is not deterministic.
-impl<C, T, E> FromParallelIterator<Result<T, E>> for Result<C, E>
-where
- C: FromParallelIterator<T>,
- T: Send,
- E: Send,
-{
- fn from_par_iter<I>(par_iter: I) -> Self
- where
- I: IntoParallelIterator<Item = Result<T, E>>,
- {
- fn ok<T, E>(saved: &Mutex<Option<E>>) -> impl Fn(Result<T, E>) -> Option<T> + '_ {
- move |item| match item {
- Ok(item) => Some(item),
- Err(error) => {
- // We don't need a blocking `lock()`, as anybody
- // else holding the lock will also be writing
- // `Some(error)`, and then ours is irrelevant.
- if let Ok(mut guard) = saved.try_lock() {
- if guard.is_none() {
- *guard = Some(error);
- }
- }
- None
- }
- }
- }
-
- let saved_error = Mutex::new(None);
- let collection = par_iter
- .into_par_iter()
- .map(ok(&saved_error))
- .while_some()
- .collect();
-
- match saved_error.into_inner().unwrap() {
- Some(error) => Err(error),
- None => Ok(collection),
- }
- }
-}