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Re: Proper use of #define to aid in compile-time checking of strings (was KVC and KVO for arrays)
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Re: Proper use of #define to aid in compile-time checking of strings (was KVC and KVO for arrays)


  • Subject: Re: Proper use of #define to aid in compile-time checking of strings (was KVC and KVO for arrays)
  • From: Nick Toumpelis <email@hidden>
  • Date: Fri, 15 Feb 2008 23:23:52 +0200


On 15 Φεβ 2008, at 5:52 ΜΜ, John Dann wrote:

If I want to change the name of the NSOutlineView column to which the #define statement referrs at some time in the future, I'll have to change both, and likely forget one. Is there any way around this without placing the #define in my NSDocument subclass's .h file?

You could define a constant method (like in SmallTalk) in your main class, that your categories can call e.g.:


- (NSString *) sourceListColumnID {
	return @"sourceListColumn";
}

This can be called from your categories and you won't have to duplicate your constants.

Nick





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References: 
 >Re: KVC and KVO for arrays (From: Stephen Hoffman <email@hidden>)
 >Proper use of #define to aid in compile-time checking of strings (was KVC and KVO for arrays) (From: "John Dann" <email@hidden>)

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