查看未知block类型的参数,主要用于越狱开发
-
(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch.
[self test:^(UIImage *a){}];
return YES; }
-(void)test:(id)arg {
NSLog(@"signature %s", BlockSig(arg));
}