Not trying to be tangental, but I believe this is true with EmberJS which was or...

		chadhietala on March 31, 2014 \| parent \| context \| favorite \| on: Class Hierarchies? Don't Do That Not trying to be tangental, but I believe this is true with EmberJS which was originally modeled off of Coaco. You inherit from Ember's base Objects (ArrayController, ObjectController, etc) and rarely find yourself extend classes that you write. Here is a hierarchy of the "base" classes. http://emberjs.jsbin.com/bahetoka/1