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Discussion on: The Fallacy of DRY

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Jeroen De Dauw Author

Fully agree that it takes experience to build good judgment and that there tend to be exceptions to rules.

I'm being a bit flippant about the code reuse via inheritance topic because I so often see people shoot themselves in the foot. There are times when it is a good choice though, but in my experience they do not occur often.

As to every tool being good for its own job: the thing with inheritance in most languages is that it does two completely different things: code reuse and sub-typing.

Anyway, that really is not what my post is about, and is a topic that takes more than a few short lines to do justice.