Re: Removing duplicates from NSMutableArray
Re: Removing duplicates from NSMutableArray
- Subject: Re: Removing duplicates from NSMutableArray
- From: Jan Van Tol <email@hidden>
- Date: Mon, 2 Dec 2002 17:43:23 -0600
On Monday, December 2, 2002, at 04:47 PM, Sherm Pendley wrote:
On Monday, December 2, 2002, at 05:05 PM, Jan Van Tol wrote:
What is the best way to filter out duplicate NSStrings from an
NSMutableArray?
Traditional Perl wisdom is that, whenever you find yourself using the
words "unique" or "duplicate," you should be thinking about a hash
instead of an array. In Objective-C terms, that would be an
NSDictionary instead of an NSArray. That is, when you're building the
list, instead of doing this:
Except that I need it to be sorted. I suppose I could add everything
to the dictionary, then get an array from that, then sort it.
Thanks for the responses everyone!
-Jan Van Tol
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