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Terrible title, but the content is quite good. Ruby programmers, at least here, should have enough foundations to be able to understand these "deep" dives into the interpreters, and the more you understand the hows and whys of the tools you build on the better your end product will eventually be

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Language enthusiasts in general, not just Ruby programmers will enjoy this article, I think. In any case, I got to see a cool little optimisation that I hadn't thought of before.

Thanks a lot for the nice comments, guys! Sorry about the "link bait" - I really was just so surprised that the limit was 23, such a strange number, that I just had to put it in the title of the post. I didn't expect it to end up on HN.

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