Ruby: Calling methods of a specific ancestor

Jay Fields' Thoughts: Ruby: Calling methods of a specific ancestor:

If a module is included within a class definition, the module's constants, class variables, and instance methods are effectively bundled into an anonymous (and inaccessible) superclass for that class. In particular, objects of the class will respond to messages sent to the module's instance methods.

Full article: http://blog.jayfields.com/2007/08/ruby-calling-methods-of...