Yonaba / Moses
Licence: mit
Utility library for functional programming in Lua
Stars: ✭ 541
Programming Languages
lua
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A Lua utility-belt library for functional programming.
Examples
How can I get the sum of all integers between 1 and 100 ?
local sum = M.sum(M.range(100))
print(sum) -- 5050
Say I am looking for the length of the longest word in some array ?
local words = {'some','words','of','different','lengths'}
print(M.max(words, M.op.length)) -- 9 letters
What is the sum of all fibonacci numbers for n below or equal 25 ?
local function fib(n) return n < 2 and n or fib(n - 1) + fib(n - 2) end
local fibsum = M.sum(M.map(M.range(25), fib))
print(fibsum) -- 196417
Or let us do the same, object-oriented style with chaining :
local function fib(n) return n < 2 and n or fib(n - 1) + fib(n - 2) end
local fibsum = M.chain(M.range(25)):map(fib):sum():value()
print(fibsum) -- 196417
Or even shorter :
local fibsum = M(M.range(25)):map(fib):sum():value()
print(fibsum) -- 196417
Feel free to download and try it on your own!
Download
Archive
Bash
git clone git://github.com/Yonaba/Moses.git
LuaRocks
luarocks install moses
MoonRocks
moonrocks install moses
Usage
local M = require "moses"
Note: the full source moses.lua is quite heavy (~92 kiB, 3115 LOC). You can alternatively use the minified version (~35 kiB, 561 LOC).
Tutorial
Find a complete set of code examples in tutorial.md.
Documentation
- Read it online.
Credits and Acknowledgement
- Jeremy Ashkenas, for the amazing Underscore.js
- Marcus Irven's and JT Archie's 1-to-1 ports that also inspired this
- Matthew Rocklin's Toolz from which I borrowed some ideas
- Steve Donovan's LDoc, used to generate the current HTML documentation.
- Mark Langen's LuaMinify, used to generate a minified version of this library.
Specification
Run spec tests from Lua using busted with the following command from the root folder:
busted
License
This work is under MIT-LICENSE
Copyright (c) 2012-2018 Roland Yonaba.
See LICENSE.
Note that the project description data, including the texts, logos, images, and/or trademarks,
for each open source project belongs to its rightful owner.
If you wish to add or remove any projects, please contact us at [email protected].