From 22e51cd78a81b5dc9be915f975c6c05721fe5797 Mon Sep 17 00:00:00 2001
From: Charles Lew <crlf0710@gmail.com>
Date: Fri, 17 Apr 2020 21:10:48 +0800
Subject: [PATCH] Implement `Clone` for
 `liballoc::collections::linked_list::Cursor`.

---
 src/liballoc/collections/linked_list.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/liballoc/collections/linked_list.rs b/src/liballoc/collections/linked_list.rs
index 53d4f7239b7..243ebb453d3 100644
--- a/src/liballoc/collections/linked_list.rs
+++ b/src/liballoc/collections/linked_list.rs
@@ -1197,6 +1197,14 @@ pub struct Cursor<'a, T: 'a> {
     list: &'a LinkedList<T>,
 }
 
+#[unstable(feature = "linked_list_cursors", issue = "58533")]
+impl<T> Clone for Cursor<'_, T> {
+    fn clone(&self) -> Self {
+        let Cursor { index, current, list } = *self;
+        Cursor { index, current, list }
+    }
+}
+
 #[unstable(feature = "linked_list_cursors", issue = "58533")]
 impl<T: fmt::Debug> fmt::Debug for Cursor<'_, T> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {