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Not at all. He didn't write the tests first, then write the code. So it wasn't test-driven at all.

If we ignore critical process differences, then sure everything is 'like' everything else.

Hopefully his next insight will discover pair programming. Then he can ditch the recordings.

and/or a proper use of a REPL, and/or to compile and run frequently.

You're telling that to someone who has Lisp in their username :)

There's still a difference between testing while writing it and after writing it that's independent of whether you have a REPL or not.

:).

I do both, but I find the former significantly easier when you have a REPL vs. having to write little test programs on the side.