Exercism: "Beer song in Clojure"

This is my solution to the Beer song problem in Clojure:

I wrote a first version using just regular functions:


and a second one using multimethods:


I enjoyed refactoring the code once all tests were passing.
I also practised how to use multimethods and how to pass parameters with default values.

You can nitpick my solution here or see all the exercises I've done so far in this repository.