Ask HN: How to compose two mapping functions into a third?

Re:Ask HN: How to compose two mapping functions into a third? by silentbicycle on Wednesday December 10, 2008 @10:48PM (#393911)

Just a note: you need to quote the parens in the link like so:

http://en.wikipedia.org/wiki/Deforestation_%28computer_scien...

And no, I don't know why this isn't mentioned in the FAQ or (better yet) the formatting options...

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Re:Ask HN: How to compose two mapping functions into a third? by flashgordon on Thursday December 11, 2008 @12:18AM (#393992)

actually thanks guys for the great link... going deeper found this paper by Walder (one of the big gurus behind monads).. certainly a great read... was wondering why non-terminating progs would terminate till I read this paper (though thinking about it common sense would explain why)...

http://homepages.inf.ed.ac.uk/wadler/papers/deforest/defores...

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