perf: use <<= 1 replace *=2 (#29)

invertase · Aug 18, 2021 · ba45cbd · ba45cbd
1 parent 0420632
commit ba45cbd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -426,7 +426,7 @@ Denque.prototype._growArray = function _growArray() {
   // head is at 0 and array is now full, safe to extend
   this._tail = this._list.length;
 
-  this._list.length *= 2;
+  this._list.length <<= 1;
   this._capacityMask = (this._capacityMask << 1) | 1;
 };