the best intro to writing Haskell for me was writing Elm. The best intro to writing Elm was writing pointfree Codewars kata solutions in JS using with(requ

the best intro to writing Haskell for me was writing Elm. The best intro to writing Elm was writing pointfree Codewars kata solutions in JS using with(require("ramda")) fn = pipe(…) And yep, you end up with a lot of folds (well, reduces) where that ellipsis is. Or related functions that are really folds. For those wondering `with` in JS is a bit like `extract` in PHP except it creates a new context right after itself rather than modify the context it finds itself in. It's super deprecated because it's inscrutable and silly except in this case and/or when you need to solve Codewars katas in a limited number of characters. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/with https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... https://www.php.net/manual/en/function.extract.php https://www.php.net/manual/en/function.extract.php EDIT ramda is a nice utility library in JS that supports partial application of arguments in arbitrary order https://ramdajs.com/docs/#subtract https://ramdajs.com/docs/#subtract