摘要：
没限定：- (BOOL)conformsToProtocol:(Protocol *)aProtocol;- (BOOL)respondsToSelector:(SEL)aSelector;有限定：- (id)retain NS_AUTOMATED_REFCOUNT_UNAVAILABLE;- (oneway void)release NS_AUTOMATED_REFCOUNT_UNAVAILABLE;- (id)autorelease NS_AUTOMATED_REFCOUNT_UNAVAILABLE;- (NSUInteger)retainCount NS_AUTOMATED_REFCOU 阅读全文
