/* * Copyright (c) 2014-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #import @interface ObervserExample : NSObject @end @implementation ObervserExample - (void)observer_no_dead_store:(id)object { __block id observer = [[NSNotificationCenter defaultCenter] addObserverForName:nil object:object queue:nil usingBlock:^(NSNotification* note) { [[NSNotificationCenter defaultCenter] removeObserver:observer name:nil object:nil]; }]; } @end