On Mar 6, 2012, at 6:19 PM, Marco Tabini wrote: > [array indexOfObject:object] should do the trick, though, if you need to do > it at every iteration, keeping a counter may be better.
Not if the array contains objects that are equal to one another. (It’s also a fairly expensive method, and the running time in this context will be O(n^2).) -indexOfObjectIdenticalTo: is slightly better but won’t work if the array contains multiples of the same object. Really it’s just much better all around to use a counter. —Jens
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