.oO( or at least as close as we can get )
This project uses Flow types and some functional magic to provide a set of functions closely mimicking the libraries provided by Haskell.
I keep track of weird compatibility issues in my notes.
If you wanna get started as soon as possible, try hkci, a preloaded repl!
otherwise, install the library from npm:
npm install --save haskind
Currently all functions are required through a single entry point (not quite ready for import tricks).
const Data = require('haskind');
const { Just, Noting, catMaybes } = Data.Maybe;
const { reverse } = Data.List
const maybes = [ Just(3), Noting(), Just(5) ]
console.log(reverse(catMaybes(maybes))); // [ 5, 3 ]This lib is still in heavy development. Some functions/tricks are definitely missing. Things like fmap, which can be applied across multiple types, has still not been fleshed out.
Luckily, it's super easy to contribute. I can't say no to anything that is provably available in Haskell. Submit a PR with the example case you want to cover in the tests, along with your solution, (or not, you can make the test pending and I'll eventually get around to it), and we'll sort it out.
Copyright © 2016 Erik Sutherland. All rights reserved.