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Re: XCode const warnings
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Re: XCode const warnings


  • Subject: Re: XCode const warnings
  • From: Clark Cox <email@hidden>
  • Date: Fri, 13 Feb 2004 11:48:14 -0500

On 2004/02/13, at 10:57, Darrin Cardani wrote:

> I have a project I've been building with Project Builder. I recently
> moved the project to XCode and am now getting some warnings I wasn't
> getting with PB. For example, I'm calling NSMutableString's
> replaceOccurrencesOfString:withString:options:range method. The
> "withString" parameter I'm passing is declared as:
>
> const NSString* myString = @"blah";
>
> So I'm getting the warning:
>
> invalid conversion from `const NSString*' to `NSString*'
>
> I guess the compiler's right, but since it requires an NSString
> instead of an NSMutableString, it shouldn't make any difference,
> should it? I can cast away the const-ness, but I just want to make
> sure that's not going to cause any problems. Is it? I have a couple
> dozen of these warnings. Should I be avoiding using NSStrings as
> constants, and instead just make them regular globals?
>
> I also get a similar problem when putting these constant strings into
> NSDictionaries. I get:
>
> invalid conversion from `const NSString*' to `obc_object*'.
>
> I just want to make sure whatever I do is safe. Any suggestions would
> be appreciated.


Use "NSString *const myString" instead of "const NSString *myString".

--
Clark S. Cox III
email@hidden
http://homepage.mac.com/clarkcox3/
http://homepage.mac.com/clarkcox3/blog/B1196589870/index.html

[demime 0.98b removed an attachment of type application/pkcs7-signature which had a name of smime.p7s]
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  • Follow-Ups:
    • Re: XCode const warnings
      • From: Peter Wollschlaeger <email@hidden>
References: 
 >XCode const warnings (From: Darrin Cardani <email@hidden>)

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