performBlockAfterDelay

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#import <Foundation/Foundation.h>

@interface NSObject (PerformBlockAfterDelay)

// Perform something after a slight delay
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay;

@end





#import "NSObject+PerformBlockAfterDelay.h"

@implementation NSObject (PerformBlockAfterDelay)

// Perform something after a slight delay
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay {
    // Copy the block
    block = [block copy];
    // Perform the block after a delay
    [self performSelector:@selector(fireBlockAfterDelay:) withObject:block afterDelay:delay];
}

// Do the block!
- (void)fireBlockAfterDelay:(void (^)(void))block {
    block();
}

@end