On Aug 5, 2008, at 11:01 AM, Negm-Awad Amin wrote:
2.1. If -mutableCollectionValueForKey: should work efficient, you have to return a mutable ivar on your accessors (getter). This means, that *everyone* can change items in that collection without triggering kvo. This is the opposition of encapsulation and very, very dangerous.
You don't need a getter if you use accessInstanceVariablesDirectly (which returns YES by default).
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