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I'm surprised the creator of RavenDB took this long to come around on composition vs inheritance. Good on him for admitting his transgressions, however.

• sevensor 10y ago
  > Another issue is that my approach to software design has significantly changed. Where I would previously do a lot of inheritance and explicit design patterns, I’m far more motivated toward using composition, instead. I picked up on this too; object-oriented design patterns have lost a lot of mindshare over the last ten to fifteen years. There was a time when it seemed like design patterns were taking over the world. We're still living with some of the monstrosities spawned during that era. I wonder if design patterns can ever be rehabilitated.