Re: NSIndexSet
Re: NSIndexSet
- Subject: Re: NSIndexSet
- From: "Michael Ash" <email@hidden>
- Date: Fri, 21 Nov 2008 10:57:54 -0500
On Fri, Nov 21, 2008 at 10:44 AM, David Blanton <email@hidden> wrote:
>
> How would one construct an NSIndexSet containing the indices 2,4,5 ?
>
> I did:
>
> NSRange two = NSMakeRange(2, 1);
> NSRange four = NSMakeRange(4, 1);
> NSRange five = NSMakeRange(5, 1);
> NSRange u1 = NSUnionRange(two,four);
> NSRange u2 = NSUnionRange(u1,five);
> id indices = [NSIndexSet indexSetWithIndexesInRange:u2];
> But, of course, NSUnionRange adds 3 so indices becomes 2,3,4,5.
>
> Or, should one even use NSIndexSet?
Use NSMutableIndexSet.
Mike
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