+[NSString stringWithString:] — what's the point?

Question

As NSString strings are immutable, what is the value of the stringWithString: class method?

I get the utility when used with NSMutabl

Answer 1

As another use case, if (for whatever reason) you create your own subclass of NSString or NSMutableString, stringWithString: provides a handy way to instantiate it with an instance of either NSString, NSMutableString, or MyCustomString.