Re: Protocol-conforming object does not include retain?
Re: Protocol-conforming object does not include retain?
- Subject: Re: Protocol-conforming object does not include retain?
- From: "Michael Ash" <email@hidden>
- Date: Sat, 12 Jul 2008 00:57:01 -0400
On Fri, Jul 11, 2008 at 11:52 PM, Markus Spoettl
<email@hidden> wrote:
> On Jul 11, 2008, at 7:59 PM, Bill Bumgarner wrote:
>>
>> id mGrid;
>>
>> ... you would be indicating to the compiler that mGrid might potentially
>> respond to any method ever seen.
>
> I'm either misunderstand what you're saying or something is wrong with my
> compiler because this:
>
> id bar;
>
> [bar foo:NSZeroRect super:nil underConstruction:YES];
>
> triggers a compiler warning for me (Xcode 3.0):
>
> warning: no '-foo:super:underConstruction:' method found
>
> The only thing that removes that warning (for me) is an informal protocol on
> NSObject that declares the method.
The key words here being "ever seen". Unless you have some more stuff
in your code, the compiler has never seen a
-foo:super:underConstruction: method.
Mike
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