I don't know, they would have to encode two template arguments, one of which is a freely-chosen integer, into a number of suffixes. I'd say, leave that to the u

I don't know, they would have to encode two template arguments, one of which is a freely-chosen integer, into a number of suffixes. I'd say, leave that to the user. The user can define literals for the type/exponent combinations they will use often.