Why are Objective-C delegates usually given the property assign instead of retain?
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A creates B A sets itself as B's delegate … A is released by its owner
If B had retained A, A wouldn't be released, as B owns A, thus A's dealloc would never get called, causing both A and B to leak.
You shouldn't worry about A going away b/c it owns B and thus gets rid of it in dealloc.
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