Re: mutable keys in NSMutableDictionary
Re: mutable keys in NSMutableDictionary
- Subject: Re: mutable keys in NSMutableDictionary
- From: Shawn Erickson <email@hidden>
- Date: Tue, 7 Oct 2003 08:44:30 -0700
On Tuesday, October 7, 2003, at 08:00 AM, Ivan Kourtev wrote:
>
It seems a class called CFDictionary does what I need...but I've never
>
done anything with any CF..., don't know what these are for, and
>
whether one is supposed to use them at all?
Note the following...
CFDictionary is toll-free bridged with its Cocoa Foundation
counterpart, NSDictionary . What this means is that the Core Foundation
type is interchangeable in function or method calls with the bridged
Foundation object. This means that in a method where you see an
NSDictionary * parameter, you can pass in a CFDictionaryRef , and in a
function where you see a CFDictionaryRef parameter, you can pass in an
NSDictionary instance. This also applies to concrete subclasses of
NSDictionary.
&&
CFMutableDictionary is toll-free bridged with its Cocoa Foundation
counterpart, NSMutableDictionary . ....
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