JavaScript monad example

readme.md

Paste this to the Chrome console and run and check the ret value

Maybe.js

class Maybe {
  constructor(v){
    this.value = v;
  };

  bind(func) {
    return new Maybe(func(this.value));
  }

  getValue() {
    return this.value;
  }
}

let arr = [1,2,3,4,5,6,7,8,9,0]
let maybe = new Maybe(arr);

let ret = maybe
.bind((arr) => arr.filter((v) => v > 1) )
.bind((arr) => arr.filter((v) => v < 8) )
.getValue()

return ret; // 2,3,4,5,6,7