> but the problem is that you now need 10 versions for many operations that are in a string library Do you? Or do you need just the operations for the things

> but the problem is that you now need 10 versions for many operations that are in a string library Do you? Or do you need just the operations for the things that are relevant to the type at hand? Limiting a broad API to the needed interface for the type you're modeling is a GOOD thing.