Preserve existing allocations when cloning Punctuated

dtolnay · Jul 17, 2023 · 2cb7f28 · 2cb7f28
1 parent 3d05bb5
commit 2cb7f28
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/punctuated.rs b/src/punctuated.rs
@@ -369,6 +369,11 @@ where
             last: self.last.clone(),
         }
     }
+
+    fn clone_from(&mut self, other: &Self) {
+        self.inner.clone_from(&other.inner);
+        self.last.clone_from(&other.last);
+    }
 }
 
 #[cfg(feature = "extra-traits")]