Sibling comment is spot on. Your "teacher" was either not well informed or dealing with some issues himself. To cathartically let go of that experience, I sugg

Sibling comment is spot on. Your "teacher" was either not well informed or dealing with some issues himself. To cathartically let go of that experience, I suggest reading up on Curry, the logical language extension to Haskell: https://en.wikipedia.org/wiki/Curry_(programming_language) https://en.wikipedia.org/wiki/Curry_(programming_language)