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YauzZ/gist:a0004327d857ef86612570c6e8696ce7

Last active August 24, 2016 03:19
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使用 NSProxy 来解除引用循环
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gistfile1.m
/**
A proxy used to hold a weak object.
It can be used to avoid retain cycles, such as the target in NSTimer or CADisplayLink.
sample code:
@implementation MyView {
NSTimer *_timer;
}
- (void)initTimer {
YYWeakProxy *proxy = [YYWeakProxy proxyWithTarget:self];
_timer = [NSTimer timerWithTimeInterval:0.1 target:proxy selector:@selector(tick:) userInfo:nil repeats:YES];
}
- (void)tick:(NSTimer *)timer {...}
@end
*/
看到YYKit代码里有这么一段，才知道NSProxy可以这样用，这种解除循环的方式比__weak的形式更优雅些。
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