2010-05-20から1日間の記事一覧
#import <objc/runtime.h> id length(id self, SEL _cmd, ...) { return 0; } int main(int argc, char *argv[]) { NSString *str = @"abcdefg"; NSLog(@"%d", [str length]);// => 7 Method method = class_getInstanceMethod([str class], @selector(length)); method->met</objc/runtime.h>…