Merge pull request #1487 from dtolnay/clonefrom

Preserve existing allocations when cloning Punctuated
dtolnay · Jul 17, 2023 · 517f0e9 · 517f0e9
2 parents 3d05bb5 + 2cb7f28
commit 517f0e9
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")]