26 Apr, 2009 in Grails, Ruby by khelll

Delegation in Ruby

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This is my first article in http://railsmagazine.com, it was published in issue 1, so basically I’m just republishing it here again.
“Separate changeable parts from others that remain the same” and “composition is preferred to inheritance” are 2 common design principles when you start designing in OOP world. However and while the first seems to be [...]