From c2986891f6aac87cec98232735945af756e6643f Mon Sep 17 00:00:00 2001
From: Yusuke Sakurai <kerokerokerop@gmail.com>
Date: Fri, 7 Feb 2020 16:23:38 +0900
Subject: remove non-null assertion operator from std (part1) (#3900)

---
 std/ws/mod.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'std/ws')

diff --git a/std/ws/mod.ts b/std/ws/mod.ts
index 217ebc8b5..30cbc2935 100644
--- a/std/ws/mod.ts
+++ b/std/ws/mod.ts
@@ -97,7 +97,7 @@ export interface WebSocket {
 export function unmask(payload: Uint8Array, mask?: Uint8Array): void {
   if (mask) {
     for (let i = 0, len = payload.length; i < len; i++) {
-      payload[i] ^= mask![i & 3];
+      payload[i] ^= mask[i & 3];
     }
   }
 }
-- 
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