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Comparing arrays

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Comparing arrays

Subject: Comparing arrays
From: Michelle Parker <email@hidden>
Date: Mon, 11 Jun 2007 15:34:42 +1000

Hi all

I have a slight problem which I am looking for the most efficient solution:

I am comparing 2 NSArrays containing numbers, with the aim of removing the numbers in one array from the other array.

The first array is obtained by rawRowsForSQL which returns the numbers as Longs. The second array is obtained by valueForKeyPath which returns the numbers as Integers.

NSArray.removeObjectWithArray or NSSet.subtractSet don't work because the objects are not equal.

The arrays can be very large, ie. 100,000 objects.

What is the best way to handle this?

thanks
mich
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