From c8b8f22a71e6837e3053c97199601e70cb22283e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=8A=98=E6=9C=A8?= <1076849402@qq.com>
Date: Tue, 9 Feb 2021 13:57:09 +0800
Subject: [PATCH] fix: use <<= 1 replace *=2

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index f664cd7..c809f08 100644
--- 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;
 };