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-rw-r--r--library/core/src/slice/iter.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs
index 9053376bdf2..71106c66f12 100644
--- a/library/core/src/slice/iter.rs
+++ b/library/core/src/slice/iter.rs
@@ -3020,7 +3020,7 @@ where P: FnMut(&T, &T) -> bool,
     }
 
     #[inline]
-    fn last(self) -> Option<Self::Item> {
+    fn last(mut self) -> Option<Self::Item> {
         self.next_back()
     }
 }
@@ -3105,7 +3105,7 @@ where P: FnMut(&T, &T) -> bool,
     }
 
     #[inline]
-    fn last(self) -> Option<Self::Item> {
+    fn last(mut self) -> Option<Self::Item> {
         self.next_back()
     }
 }