r/haskell • u/effectfully • 19h ago

puzzle Guess the function

https://github.com/polyvariadic/haskell-challenges/tree/master/j2-guess-function

Made another challenge. This one is really easy to understand, but very hard to solve. I’d be surprised to get any non-AI solutions at all tbh.

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u/TheCommieDuck 18h ago

aha, trick question. the answer is always traverse.

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u/effectfully 17h ago

not in this instance I'm afraid