Re: Xcode 3.2.3: cannot pair a synthesized setter/getter with a user defined setter/getter
Re: Xcode 3.2.3: cannot pair a synthesized setter/getter with a user defined setter/getter
- Subject: Re: Xcode 3.2.3: cannot pair a synthesized setter/getter with a user defined setter/getter
- From: Bill Bumgarner <email@hidden>
- Date: Fri, 18 Jun 2010 12:02:45 -0700
On Jun 18, 2010, at 10:50 AM, Gerd Knops wrote:
> I have decided that this warning is counter-productive. When I implement a setter, clang shouldn't care.
>
> As is, when I implement a setter I have to remember to change the property declaration. And worse, if I decide I no longer need the setter, I have to remember to change the property declaration again, or risk hard to diagnose threading problems.
>
> So I want to disable that warning, but can't seem to figure out how. I tried
>
> -Wno-warn-atomic-property-rule
>
> but that just gives me "warning: unknown warning option" for each file...
>
> Any ideas?
Yes; listen to the compiler and don't try to turn off the warning. It is behaving correctly and identifying a very real issue in your code.
If you declare an @property that is atomic -- the default -- you must either use @dynamic, let the compiler @synthesize everything or provide an implementation of both the setter and getter.
If you want to mix a manual implementation of, say, the setter with an @synthesize, declare the @property to be `nonatomic`.
This behavior exists because it is impossible for you to declare something to be atomic and then provide only half of the implementation.
b.bum
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