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Inside 206-105 About Archives Subscribe Existential Pontification and Generalized Abstract Digressions Edward Z. Yang -*- mode: rst -*- tl;dr — Save this page for future reference. Have you ever been in the situation where you need to quickly understand what a piece of code in some unfamiliar language does? If the language looks a lot like what you’re comfortable with, you can usually guess what large amounts of the code does; even if you may not be completely familiar how all the language features work. For Haskell, this is a little more difficult, since Haskell syntax looks very different from traditional languages. But there's no really deep difference here; you just have to squint at it just right. Here is a fast, mostly incorrect, and hopefully useful guide for interpreting Haskell code like a Pythonista. By the end, you should be able to interpret this fragment ...