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48 lines
1.0 KiB
48 lines
1.0 KiB
8 years ago
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/*
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* Copyright (c) 2016 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <Foundation/NSObject.h>
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@interface A : NSObject
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@end
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@implementation A {
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int x;
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}
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- (void)strongSelfNoCheckNotWeakSelf {
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__typeof(self) weakSelf = self;
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int (^my_block)(BOOL) = ^(BOOL isTapped) {
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__strong __typeof(weakSelf) strongSelf = weakSelf;
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return strongSelf->x;
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};
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}
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- (void)strongSelfNoCheck {
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__weak __typeof(self) weakSelf = self;
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int (^my_block)(BOOL) = ^(BOOL isTapped) {
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__strong __typeof(weakSelf) strongSelf = weakSelf;
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return strongSelf->x;
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};
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}
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- (void)strongSelfCheck {
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__weak __typeof(self) weakSelf = self;
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int (^my_block)(BOOL) = ^(BOOL isTapped) {
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__strong __typeof(weakSelf) strongSelf = weakSelf;
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if (strongSelf)
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return strongSelf->x;
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else
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return 0;
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};
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}
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@end
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