good though

Short n clear!

hes a menace but a genius nonetheless

Very nice!

arrow function ate

I don't understand why a standard function is the best solution when it's the most elegant solution : )

I am always trying to use this arrow function now. It is so neat.

Appreciate this solution. Invited me to look up those methods. Thanks!

This is cute notation-wise, but certainly not "best practices", given that the more idiomatic knot-tying version uses O(1) memory, and this uses O(n).

looks neat

The random number based test seems to throw errors no matter what I do.

Interesting

Approved

Haskell translation here. Please check if everything is ok.

Haskell translation available here. This is my first translation, hope everything is ok.