Ah, I see; you don't want to provide the same object twice in a row. If that's the case, is it really "random"? ;)
Dave
On May 25, 2010, at 10:52 AM, Dave DeLong wrote:
> What about something like:
>
> @implementation NSSet (Random)
>
> - (id) randomObject {
> NSArray * allObjects = [self allObjects];
> if ([allObjects count] == 0) { @throw ...; }
> return [allObjects objectAtIndex:(arc4random() % [allObjects count])];
> }
>
> @end
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