Yes If the current abstractions in the code are flexible enough to be extended, I certainly think so. I've worked on so many projects that were so brittle exte

Yes If the current abstractions in the code are flexible enough to be extended, I certainly think so. I've worked on so many projects that were so brittle extension/reuse wasn't really an option, with out major refractors No. Yes, you're lucky the current code is flexible enough to be extended, if there is good unit test coverage that's one better. For me, it is crucial to study outside of work and have side projects