how reference copy is handled in Objective-C?

Posted by Cathy on Stack Overflow See other posts from Stack Overflow or by Cathy
Published on 2010-06-09T10:04:56Z Indexed on 2010/06/09 11:42 UTC
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Filed under:

objective-c

|

memory-management

Object graph

      [Instance A]
         tree
       /       \
      /         \
     /           \
    ↓             ↓
[Instance B]     [Instance C]
 apple              bug

Question

Instance A has to reference copies to Instance B and Instance C.

If I retain or release Instance A, which has references to the other two instances, what happens to the various reference counts?

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