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Why Extending Through Subclassing (a framework’s classes) is a Bad Idea (groovie.org)
1 point by ericflo 1657 days ago | 1 comment

He makes a good point, although I'm not necessarily sure I agree that it's a bad idea on the whole. My takeaway from this is that choosing the proper interface before freezing the API is absolutely essential, because changing it later is hard.


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