Thanks! I was completely unaware that such type-hinting existed. I was also unsure if loop/recur was a good loop paradigm for this kind of problem (maybe for w

Thanks! I was completely unaware that such type-hinting existed. I was also unsure if loop/recur was a good loop paradigm for this kind of problem (maybe for with variable would be better?) but I'd say in 1/3 speed of C it's pretty good for Clojure :)