Re: Adding methods to NSString
Re: Adding methods to NSString
- Subject: Re: Adding methods to NSString
- From: Nick Zitzmann <email@hidden>
- Date: Thu, 27 Nov 2003 01:13:19 -0800
On Nov 26, 2003, at 2:53 PM, Frank wrote:
I tried adding a category to NSString class to add a method which
check if one string is contained within another (like contains
statement in applescript).
There already are such methods - NSString's -rangeOfString: methods.
Problem is that the NSString object complains it doesn't recongnize
the selector. Also the NSString object presents itself as being of the
NSCFString class, which I believe is the problem. As I cannot find any
reference to the NSCFString class (header files?) I cannot add a
category to it.
NSString is a class cluster, and NSCFString is one of its private
subclasses. You don't need to worry about them, as they are managed by
the NSString class.
Nick Zitzmann
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