NSString and NSNumber times repeat method like Ruby's times method

gistfile1.m

@interface NSString (Times)
- (void)times:(void (^)(void))block;
@end

@implementation NSString (Times)
- (void)times:(void (^)(void))block {
    for (NSUInteger index = 0; index < [self longLongValue]; index++) {
        block();
    }
}
@end

@interface NSNumber (Times)
- (void)times:(void (^)(void))block;
@end

@implementation NSNumber (Times)
- (void)times:(void (^)(void))block {
    for (NSUInteger index = 0; index < [self longLongValue]; index++) {
        block();
    }
}
@end