使用lldb的po打印相关实现,格式如下:
NSLog(@"person1添加KVO监听之前 %p",[self.person1methodForSelector:@selector(setAge:)]);
NSLog(@"person2添加KVO监听之前 %p",[self.person2methodForSelector:@selector(setAge:)]);
po (IMP)地址

使用lldb的po打印相关实现,格式如下:
NSLog(@"person1添加KVO监听之前 %p",[self.person1methodForSelector:@selector(setAge:)]);
NSLog(@"person2添加KVO监听之前 %p",[self.person2methodForSelector:@selector(setAge:)]);
po (IMP)地址
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