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67 lines
781 B
67 lines
781 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/NSObject.h>
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@interface D : NSObject
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@end
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typedef void (^MyHandler)(D* data);
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@interface B : NSObject
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- (void)sHandler:(MyHandler)h;
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@end
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@implementation B {
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D* _d;
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MyHandler _h;
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}
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- (void)sHandler:(MyHandler)h {
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self->_h = h;
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}
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@end
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@interface A : NSObject
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- (void)capture;
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@end
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@implementation A {
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B* _b;
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D* _data;
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}
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- (void)capture {
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_b = [B alloc];
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[_b sHandler:^(D* d) {
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_data = d;
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}];
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}
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@end
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A* foo(A* a) {
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[a capture];
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return a;
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};
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int main(int argc, const char* argv[]) {
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A* a = [A alloc];
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a = foo(a);
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return 0;
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}
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