Practicing Ruby - Issue #9: Uses for Modules (2 of 4)Originally published as part of the Practicing Ruby newsletter on December 10, 2010. Most of these issues draw inspiration from discussions and teaching sessions at my free online school, Ruby Mendicant University. You should follow @seacreature on twitter if you want to keep up with my more recent projects. Using Mix-ins to Augment Class Definitions Although knowing how to use modules for namespa
