From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../rust/rayon/src/collections/btree_set.rs        | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 third_party/rust/rayon/src/collections/btree_set.rs

(limited to 'third_party/rust/rayon/src/collections/btree_set.rs')

diff --git a/third_party/rust/rayon/src/collections/btree_set.rs b/third_party/rust/rayon/src/collections/btree_set.rs
new file mode 100644
index 0000000000..061d37c7ea
--- /dev/null
+++ b/third_party/rust/rayon/src/collections/btree_set.rs
@@ -0,0 +1,52 @@
+//! This module contains the parallel iterator types for B-Tree sets
+//! (`BTreeSet<T>`). You will rarely need to interact with it directly
+//! unless you have need to name one of the iterator types.
+
+use std::collections::BTreeSet;
+
+use crate::iter::plumbing::*;
+use crate::iter::*;
+
+use crate::vec;
+
+/// Parallel iterator over a B-Tree set
+#[derive(Debug)] // std doesn't Clone
+pub struct IntoIter<T: Ord + Send> {
+    inner: vec::IntoIter<T>,
+}
+
+into_par_vec! {
+    BTreeSet<T> => IntoIter<T>,
+    impl<T: Ord + Send>
+}
+
+delegate_iterator! {
+    IntoIter<T> => T,
+    impl<T: Ord + Send>
+}
+
+/// Parallel iterator over an immutable reference to a B-Tree set
+#[derive(Debug)]
+pub struct Iter<'a, T: Ord + Sync> {
+    inner: vec::IntoIter<&'a T>,
+}
+
+impl<'a, T: Ord + Sync + 'a> Clone for Iter<'a, T> {
+    fn clone(&self) -> Self {
+        Iter {
+            inner: self.inner.clone(),
+        }
+    }
+}
+
+into_par_vec! {
+    &'a BTreeSet<T> => Iter<'a, T>,
+    impl<'a, T: Ord + Sync>
+}
+
+delegate_iterator! {
+    Iter<'a, T> => &'a T,
+    impl<'a, T: Ord + Sync + 'a>
+}
+
+// `BTreeSet` doesn't have a mutable `Iterator`
-- 
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