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RE: valueForKeyPath
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RE: valueForKeyPath


  • Subject: RE: valueForKeyPath
  • From: Ulai Beekam <email@hidden>
  • Date: Fri, 1 May 2009 00:29:55 +0000
  • Importance: Normal

Because just adding a key to a dictionary does not make it key-value-coding compliant with respect to that key. KVC is needed for key paths like that to work.


----------------------------------------
> From: email@hidden
> To: email@hidden
> Date: Thu, 30 Apr 2009 19:00:51 -0500
> Subject: valueForKeyPath
>
> Folks;
>
> I have a mutable dictionary 'myPerson' which has a key=@"address".
> The object stored at @"address" is another mutable dictionary.
>
> someCity = [myPerson valueForKeyPath:@"address.city"] --> nil
>
> someCity = [[myPerson valueForKey:@"address"] valueForKey:@"city"] --
>> expected value
>
> Why does -valueForKeyPath not work in this circumstance?
>
> Steve
>
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  • Follow-Ups:
    • Re: valueForKeyPath
      • From: Steve Cronin <email@hidden>
    • Re: valueForKeyPath
      • From: Jim Puls <email@hidden>
References: 
 >valueForKeyPath (From: Steve Cronin <email@hidden>)

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