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/util/async.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'std/util/async.ts')

diff --git a/std/util/async.ts b/std/util/async.ts
index f6bffa07a..bb50e482d 100644
--- a/std/util/async.ts
+++ b/std/util/async.ts
@@ -23,7 +23,7 @@ export function deferred<T>(): Deferred<T> {
   const promise = new Promise<T>((resolve, reject): void => {
     methods = { resolve, reject };
   });
-  return Object.assign(promise, methods)! as Deferred<T>;
+  return Object.assign(promise, methods) as Deferred<T>;
 }
 
 interface TaggedYieldedValue<T> {
-- 
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