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Over at In Cocoa do you prefer NSInteger or just regular int, and why?, there was mention of NSDouble and NSFloat, but I can’t see a reference for those in any documentation. If NSInteger‘s purpose is for architectural safety, what about other types such as double or float?
NSIntegerexists because theinttype varies in size between 32-bit and 64-bit systems.floatanddoubledon’t vary in size the same way, so there’s no need to have wrapper types for them.