gistfile1.coffee

__hasProp: true
yearsOld: {max: 10, ida: 9, tim: 11}

ages: for child, age of yearsOld
  child + " is " + age

# compiles into this JavaScript, which will not work
var _a, _b, age, ages, child, yearsOld;
var __hasProp = Object.prototype.hasOwnProperty;
__hasProp = true;
yearsOld = {
  max: 10,
  ida: 9,
  tim: 11
};
ages = (function() {
  _a = []; _b = yearsOld;
  for (child in _b) { if (__hasProp.call(_b, child)) {
    age = _b[child];
    _a.push(child + " is " + age);
  }}
  return _a;
})();