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Beating benchmarks is always fun, but I think the ergonomics of the solution matter a great deal.

That is to say the words we use matter: I'm excited that Haskell, and OCaml (and so on) have efficient solutions, but I'm extremely disappointed that the best implementations look nothing like the "obvious" approach.

Maybe that's to be expected, after all an "obvious" implementation in C that pumps getchar() all day will be pretty slow, and experienced C programmers will do their own buffering and threading to win -- and that doesn't look like the "obvious" one either.

And yet, in k/q the "obvious" implementation is the fast one. That's cool, and way more cool than you might realise as long as you think coding is hard.

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