Created
April 18, 2014 22:46
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block weak&strong reference
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| __weak __typeof(&*self)weakSelf = self; | |
| block = ^(void) { | |
| __strong __typeof(&*weakSelf)strongSelf = weakSelf; | |
| if (!strongSelf) { | |
| return; | |
| } | |
| } |
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