infer_clone/infer/tests/codetoanalyze/objc/liveness/ObserverExample.m

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795 B

/*
* 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 <Foundation/Foundation.h>
@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