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51 lines
822 B
51 lines
822 B
4 years ago
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/*
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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/Foundation.h>
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@interface EscapingByref : NSObject
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@end
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@implementation EscapingByref
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int global;
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+ (void)capture_global_byref {
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void (^closure)() = ^() {
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global = 3;
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};
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}
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+ (void)capture_local_byvalue {
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int local;
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void (^closure)() = ^() {
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int x = local;
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};
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}
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+ (void)capture_local_block_byref {
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__block int local;
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void (^closure)() = ^() {
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local = 3;
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};
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}
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+ (void)capture_local_static_byvalue {
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static int local = 3;
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void (^closure)() = ^() {
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int x = local;
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};
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}
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+ (void)capture_param_byvalue:(int)param {
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void (^closure)() = ^() {
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int x = param;
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};
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}
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@end
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