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leafduo/gist:3971970

Created October 29, 2012 06:42
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gistfile1.m
__weak typeof(self) bself = self;
[self addObserverForKeyPath:@"myComment" task:^(id obj, NSDictionary *change) {
__strong typeof(bself) cself = bself;
[cself->_myCommentButton setTitle:self.myComment forState:UIControlStateNormal];
}];
@leafduo

leafduo commented Oct 29, 2012

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_myCommentButton 是成员变量

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