andyhd

function maybe(value) {
  var obj = null;
  function isEmpty() { return value === undefined || value === null }
  function nonEmpty() { return !isEmpty() }
  obj = {
    map: function (f) { return isEmpty() ? obj : maybe(f(value)) },
    getOrElse: function (n) { return isEmpty() ? n : value },
    isEmpty: isEmpty,
    nonEmpty: nonEmpty
  }

robotlolita

var boo = require('boo')


var Delegate = {

  // Makes the given property a getter, that will try the
  // objects in order until it finds a suitable one.
  //
  // proxy :: String → Object