Vladimir Sukharev
28 lines
706 B
Objective-C
Vendored
28 lines
706 B
Objective-C
Vendored
#import <Foundation/NSObject.h>
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@protocol BlockProvider
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@required
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-(int (^)(int)) block;
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@end
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int callProvidedBlock(id<BlockProvider> blockProvider, int argument) {
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return [blockProvider block](argument);
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}
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@protocol BlockConsumer
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@required
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-(int)callBlock:(int (^)(int))block argument:(int)argument;
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@end
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int callPlusOneBlock(id<BlockConsumer> blockConsumer, int argument) {
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return [blockConsumer callBlock:^int(int p) { return p + 1; } argument:argument];
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}
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@interface Blocks : NSObject
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+(BOOL)blockIsNull:(void (^)(void))block;
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+(int (^)(int, int, int, int))same:(int (^)(int, int, int, int))block;
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@property (class) void (^nullBlock)(void);
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@property (class) void (^notNullBlock)(void);
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@end
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