Optimize BytesMut::reserve: Reuse vec if possible (#529)

* Optimize `BytesMut::reserve`: Reuse vec if possible If the `BytesMut` holds a unqiue reference to `KIND_ARC` while the capacity of the `Vec` is not big enough , reuse the existing `Vec` instead of allocating a new one. Signed-off-by: Jiahao XU <[email protected]>
2026-08-23 00:00:13 +02:00 · 2022-03-16 10:11:42 -04:00
parent 88f5e12350
commit d4f5023383
2 changed files with 29 additions and 13 deletions
@@ -443,7 +443,7 @@ fn reserve_growth() {
    let _ = bytes.split();

    bytes.reserve(65);
-    assert_eq!(bytes.capacity(), 128);
+    assert_eq!(bytes.capacity(), 117);
 }

 #[test]