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December 16, 2015 23:49
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overriding self might seem strange, but it ensure that you cannot accidentally use the strong self.
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| - (void)foo | |
| { | |
| __weak __typeof__(self) weakSelf = self; | |
| dispatch_async(queue, ^{ | |
| __typeof__(self) self = weakSelf; | |
| [self bar]; | |
| }); | |
| } |
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