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I used it last year to exercise my utterly novice clojure skills and found that very enjoyable and educational.



I especially enjoy using Clojure for these puzzles since the REPL makes interactively checking your ideas fast.


Absolutely - this is one of the things I like so much about doing them with Elixir. Between the built in testing framework and the REPL it's so easy to work through the problems iteratively.

I wish Elixir's REPL / editor integration was half as awesome as SLIME / Emacs, but it's still leaps and bounds beyond what you get in most non-functional langs.


F#'s REPL is pretty great as well for these kinds of puzzles. Send Selection lets you highlight up to a certain part midway through a pipeline. This makes debugging without breakpoints very easy, on top of everything else offered by an interactive REPL session!




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