31 lines
451 B
31 lines
451 B
/*
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* Copyright (c) 2017-present, Facebook, Inc.
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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/Foundation.h>
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@interface A : NSObject
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@end
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typedef void (^MyBlock)();
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@interface C : NSObject
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+ (void)use_block:(MyBlock)block;
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@end
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@implementation A
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+ (A*)g {
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__block A* a;
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[C use_block:^() {
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a = [A new];
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}];
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return a;
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};
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@end
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