关于weak的使用
我在头文件里写了:id <SwipeViewDelegate> delegate
@property (nonatomic, weak) id <SwipeViewDelegate> delegate;
然后在实现中写:
@synthesize delegate;
报错:
Existing ivar for 'delegate' for _weak property 'delegate' must be _weak
怎么解决啊 。。 --------------------编程问答-------------------- delegate 可以 写成unsafe_unretained
补充:移动开发 , iPhone