How to create a string with format?

Question

I need to create a string with format which can convert int, long, double etc. types into string. Using Obj-C, I can do it via below way.

NSString *str = [NS         


        

Answer 1

No NSString required!

String(format: "Value: %3.2f\tResult: %3.2f", arguments: [2.7, 99.8])

or

String(format:"Value: %3.2f\tResult: %3.2f", 2.7, 99.8)