Re: Avoiding KVO in dealloc?
Re: Avoiding KVO in dealloc?
- Subject: Re: Avoiding KVO in dealloc?
- From: Kyle Sluder <email@hidden>
- Date: Mon, 3 Aug 2009 16:46:49 -0700
On Mon, Aug 3, 2009 at 4:35 PM, Todd Heberlein<email@hidden> wrote:
> Both methods seem to me to do the same thing (releasing foo), but I presume
> the first one would trigger any KVO observers where as the second wouldn't.
> Is that why the simple "release" is used instead of a setter in the dealloc
> methods, to avoid KVO? Is this a general Cocoa pattern?
Yes, it's a general pattern. Not just to avoid KVO, but any custom
accessor/mutator behavior.
The rule of thumb is never use your accessors/mutators inside -init or
-dealloc, and always use them elsewhere.
--Kyle Sluder
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