Re: efficient searching of arrays

FROM : Mike Abdullah
DATE : Mon Aug 28 23:26:17 2006

Thanks for the various suggestions guys.  In the end, the simple 
approach of using an NSDictionary as someone suggested seems best for 
this scenario.

Mike.

On 14 Aug 2006, at 20:21, Mike Abdullah wrote:

> Let's say I have an NSArray of several hundred instances of 
> MyObject.  MyObject has a simple accessor method:
>
> - (long)objectID;
>
> I want to find the instance of MyObject whose objectID is 204. 
> What would be the best way of doing this?  At present, the only 
> thing I can really think of is:
>
> NSEnumerator *objectsEnumerator = [myArray objectEnumerator];
> MyObject *anObject;
>
> while (anObject = [objectsEnumerator nextObject])
> {
>     if ([anObject objectID] == 204)
>         return anObject;
> }
>
> However this seems a little clunky.  Is there a better way of doing 
> things in Cocoa that I haven't come across?
>
> Mike.
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