Hacker Monthly #20 by Netizens Media

Author:Netizens Media [Media, Netizens]
Language: eng
Format: epub, mobi, pdf
Publisher: Netizens Media
Published: 2012-01-01T04:44:50+00:00

How to Read Haskell Like Python

By EDWARD Z. YANG

Have you ever been in a 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 do, even if you may not be familiar with 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 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 of Haskell (some code elided with ...):

runCommand env cmd state = ...

retrieveState = ...

saveState state = ...

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