[eximius]

And it is simple. I haven't written C since college and it's mostly very readable, really great for exploration. In many ways, I agree that should be kept.

But memoizing lookups can be a single branch at the top of a few functions. We should strive to have our cake and eat it too, not simply declare we shouldn't bother.

[xapata]

It ain't that easy (cache invalidation is hard). But they did it anyway, so, yeah, you can have your cake and eat it.