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Re: There's obviously something I don't understand about autorelease.
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Re: There's obviously something I don't understand about autorelease.


  • Subject: Re: There's obviously something I don't understand about autorelease.
  • From: Quincey Morris <email@hidden>
  • Date: Sat, 17 Mar 2012 19:35:32 -0700

On Mar 17, 2012, at 18:59 , Roland King wrote:

> I will just need to be more diligent checking ivars against the properties they support to ensure they match

Clang *was* checking this, at least in Xcode 4.2.

We had a thread a couple of months ago discussing this, in a case where the check was over-zealous. Clang would produce a warning for '@synthesize foo' if the property was declared '@property (readonly)', and required you to declare it as '@property (readonly, strong)' to avoid the warning.

I mention this because Xcode 4.3's clang doesn't complain about this any more.

Also, note that 'weak' and 'strong' etc really shouldn't be on @property either, since they only affect the way the ivar is handled. The property itself is neither weak nor strong.

The justification given for leaving them on @property was that the complication of attributes on @synthesize seemed undesirable, and that @synthesize is headed the way of the dodo anyway.


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  • Follow-Ups:
    • Re: There's obviously something I don't understand about autorelease.
      • From: Roland King <email@hidden>
    • Re: There's obviously something I don't understand about autorelease.
      • From: Ken Thomases <email@hidden>
    • Re: There's obviously something I don't understand about autorelease.
      • From: Greg Parker <email@hidden>
References: 
 >Re: There's obviously something I don't understand about autorelease. (From: G S <email@hidden>)
 >Re: There's obviously something I don't understand about autorelease. (From: Roland King <email@hidden>)
 >Re: There's obviously something I don't understand about autorelease. (From: Richard Somers <email@hidden>)
 >Re: There's obviously something I don't understand about autorelease. (From: Roland King <email@hidden>)
 >Re: There's obviously something I don't understand about autorelease. (From: Greg Parker <email@hidden>)
 >Re: There's obviously something I don't understand about autorelease. (From: Roland King <email@hidden>)

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