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saiday/block.m

Last active December 10, 2015 15:06
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block example
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block.m
__weak typeof(self) weakSelf = self;
[blockExample performComputation:buffer.audioBufferList completionHandler:^(NSArray *fftData, BOOL isEnd) {
weakSelf.fftData = fftData;
...
}];
...
__weak typeof(self) weakSelf = self;
[blockExample fetchImage:url sucess:^(UIImage *image) {
weakSelf.imageView.image = image;
} failure:nil];
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