/**

  Functional Programming in JavaScript

  @author Luis Atencio

  Monads

 */

// Curried adder

function add(a) {

   return function (b) {                   

      return a + b;

  }

}

// Mapping a valid object over a Maybe

var user = {name: 'Haskell Curry', age: 14};

var result = Maybe.fromNullable(user)

  .map(_.property('age'))

  .map(add(1));

​

console.log('Result: ' + result.toString());

​

// Mapping null over a Maybe

var result = Maybe.fromNullable(null)

  .map(_.property('age'))

  .map(add(1));

​

console.log('Result: ' + result.toString());

​

/*

 TODO: Produce the same program, using an Either.Right for the positive case, and a Either.Left for the negative case

 The outputs should be: 

 Either.Right(15)

 Either.Left(null)

*/

​

​

​