Donn Cave wrote: > Meanwhile, that fellow evidently didn't write any compiler in Haskell > at all. Better a C++ program than a Haskell program that offends you?
Oh no, he actually wrote something disgusting built mostly out of
regexes in Perl. I don't think it even works, and I don't think I
could have convinced him to Do The Right Thing in whatever language.
But that's besides the point. The conviction that a parser or lexer or
prettyprinter means IO is simply wrong, and imho a tutorial should show how
much is purely functionally possible before introducing control flow,
mutable variables and all the other ugliness. It's more productive this
way.
Udo.
--
Slous' Contention:
If you do a job too well, you'll get stuck with it.
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