I have. That's not even the beginnings of a useful reply. :) Give me a highlight of your normal day-to-day with the language. What, exactly, does the REPL of

I have. That's not even the beginnings of a useful reply. :) Give me a highlight of your normal day-to-day with the language. What, exactly, does the REPL offer you that provides significant productivity gains that can't be had any other way? Because clearly I've missed it. And it should be pretty easy for you to describe if it's that common and/or obvious.