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If Inheritance is so bad, why does everyone use it?

buttondown.email If Inheritance is so bad, why does everyone use it?

Alloy Workshop There are still two slots available for the alloy workshop! I've been hard at work adding a bunch of teaching innovations to the class, which...

If Inheritance is so bad, why does everyone use it?

This essay says that inheritance is harmful and if possible you should "ban inheritance completely". You see these arguments a lot, as well as things like "prefer composition to inheritance". A lot of these arguments argue that in practice inheritance has problems. But they don't preclude inheritance working in another context, maybe with a better language syntax. And it doesn't explain why inheritance became so popular in the first place. I want to explore what's fundamentally challenging about inheritance and why we all use it anyway.

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If Inheritance is so bad, why does everyone use it?

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