From 041839ceabbc67165512fde0d33c91347b758487 Mon Sep 17 00:00:00 2001
From: Jakub Kotur <qtr@google.com>
Date: Mon, 21 Dec 2020 17:28:15 +0100
Subject: Initial import of rayon-1.5.0.

Bug: 155309706
Change-Id: I6ff7de1cb89d093d7938abf78d586ed76da85b0d
---
 src/collections/linked_list.rs | 66 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/collections/linked_list.rs

(limited to 'src/collections/linked_list.rs')

diff --git a/src/collections/linked_list.rs b/src/collections/linked_list.rs
new file mode 100644
index 0000000..bddd2b0
--- /dev/null
+++ b/src/collections/linked_list.rs
@@ -0,0 +1,66 @@
+//! This module contains the parallel iterator types for linked lists
+//! (`LinkedList<T>`). You will rarely need to interact with it directly
+//! unless you have need to name one of the iterator types.
+
+use std::collections::LinkedList;
+
+use crate::iter::plumbing::*;
+use crate::iter::*;
+
+use crate::vec;
+
+/// Parallel iterator over a linked list
+#[derive(Debug, Clone)]
+pub struct IntoIter<T: Send> {
+    inner: vec::IntoIter<T>,
+}
+
+into_par_vec! {
+    LinkedList<T> => IntoIter<T>,
+    impl<T: Send>
+}
+
+delegate_iterator! {
+    IntoIter<T> => T,
+    impl<T: Send>
+}
+
+/// Parallel iterator over an immutable reference to a linked list
+#[derive(Debug)]
+pub struct Iter<'a, T: Sync> {
+    inner: vec::IntoIter<&'a T>,
+}
+
+impl<'a, T: Sync> Clone for Iter<'a, T> {
+    fn clone(&self) -> Self {
+        Iter {
+            inner: self.inner.clone(),
+        }
+    }
+}
+
+into_par_vec! {
+    &'a LinkedList<T> => Iter<'a, T>,
+    impl<'a, T: Sync>
+}
+
+delegate_iterator! {
+    Iter<'a, T> => &'a T,
+    impl<'a, T: Sync + 'a>
+}
+
+/// Parallel iterator over a mutable reference to a linked list
+#[derive(Debug)]
+pub struct IterMut<'a, T: Send> {
+    inner: vec::IntoIter<&'a mut T>,
+}
+
+into_par_vec! {
+    &'a mut LinkedList<T> => IterMut<'a, T>,
+    impl<'a, T: Send>
+}
+
+delegate_iterator! {
+    IterMut<'a, T> => &'a mut T,
+    impl<'a, T: Send + 'a>
+}
-- 
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