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Vyazovoy/gist:5858195

Created June 25, 2013 12:49
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Right way to use references inside blocks
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gistfile1.m
NSObject *someReferencedObject = [NSObject new];
__typeof(someReferencedObject) __weak weakSomeReferencedObject = someReferencedObject;
[someReferencedObject addBlock:^() {
__typeof(weakSomeReferencedObject) __strong strongSomeReferencedObject = weakSomeReferencedObject;
if (strongSomeReferencedObject) {
//do something with strongSomeReferencedObject
} else {
//appropriate reaction
}
}];
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For more information: http://developer.apple.com/library/mac/#releasenotes/ObjectiveC/RN-TransitioningToARC/Introduction/Introduction.html

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