I'm dealing with some code that returns results out of order, but the results contain the proper index. In the end, I'd like to put them all into an NSArray, but unlike a C array, NSArray doesn't seem to allow me to simply reserve X number of slots and fill the slots as the results come in.

One workaround I can see is to actually store the results in a C array, and then initialize the NSArray from the C array. I could also write an algorithm that would try to rearrange the NSMutableArray as results come back, but that seems more complicate. Initializing from a C array looks like the best bet, but this is a commonly called function of the software that is performance sensitive, and could be dealing with large sets of data, so I was wondering about the overhead of this approach.

Has anyone here run into a similar situation?

Thanks,
Colin

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