filterUsingPredicate: modifies the container in place. Unless you created a copy of the set/array before filtering, you can't go back to how it was before. Cocoa doesn't have versioned collections.
Dave On Mar 23, 2010, at 2:27 PM, Robert Monaghan wrote: > How does one remove a NSPredicate from an NSMutableSet? > I want to reuse the NSMutableSet for another purpose, but I have to strip out > the Predicate that I assigned. > Passing "filterUsingPredicate:nil" causes an exception. Is there a way to do > this? Or should I generate another NSMutableSet?
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