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Editorial Team
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Asked: 2026-06-04T06:57:51+00:00

Is there any way to specify what specific type of object can be contained

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Is there any way to specify what specific type of object can be contained within an NSMutableArray?

EDIT More specifically… Is there a way to restrict the class that the object must belong to?

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  1. Editorial Team

    Well, you could always subclass NSMutableArray but as everyone else has said, it is hard to imagine a good reason to do this….

    From Subclassing Notes in the docs you would basically have to over-ride the following functions and check for the proper class:

    • insertObject:atIndex:
    • addObject:
    • replaceObjectAtIndex:withObject:
    • the primitive methods of the NSArray class
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