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Re: How to avoid warning?
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Re: How to avoid warning?


  • Subject: Re: How to avoid warning?
  • From: Keary Suska <email@hidden>
  • Date: Tue, 22 Jan 2013 11:07:17 -0700

On Jan 22, 2013, at 10:23 AM, Dave wrote:

>
> On 21 Jan 2013, at 18:44, Steve Sisak wrote:
>
>> At 6:14 PM +0000 1/21/13, Dave wrote:
>>> if (class_RespondsToSelector(myClass,@selector(initWithManager:) == NO)
>>> 	myObj = [[myClass alloc] init];
>>> else
>>> 	myObj = [[myClass alloc] initWithManager:sel]];
>>>
>>> I get a warning on the initWithManager: statement (Obviously), how to avoid the warning or otherwise fix it?
>>
>> You could try declaring initWithManager: in a category on the class visible only to your implementation code. (i.e. at the top of your .m file)
>
> The class name is passed in as a string and the class is formed from that, so I can't pre-declare it. Please see my other reply.


If in fact myClass may be any number of classes that may implement certain methods, the "right" way to do this is using a protocol. Protocols are designed to fit this purpose. I don't recall, however, the exact method to hint to the compiler enough to avoid the warning. Importing the protocol header may be sufficient.

HTH,

Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"


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References: 
 >How to avoid warning? (From: Dave <email@hidden>)
 >Re: How to avoid warning? (From: Steve Sisak <email@hidden>)
 >Re: How to avoid warning? (From: Dave <email@hidden>)

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