example.js

// Pulled from http://emberjs.com/

MyApp.president = Ember.Object.create({
  firstName: "Barack",
  lastName: "Obama",

  fullName: function() {
    // Calls to get() can track the dependency (ala https://github.com/SteveSanderson/knockout/blob/master/src/subscribables/dependentObservable.js#L122)
    return this.get('firstName') + ' ' + this.get('lastName');

    // Tell Ember that this function is a property
  }.property();
});