If this is indeed the desired effect, you're much better off writing a -
(NSArray *)arrayByRandomlyOrderingObjects in an NSArray category, and then
calling [[mySet allObjects] arrayByRandomlyOrderingObjects];.
Bob
On 25 May 2010, at 17:54, Dave DeLong wrote:
> 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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