Looking for help writing some GHC RULES

David Feuer david.feuer at gmail.com
Tue Jul 22 22:42:54 UTC 2014

I'm looking for some help writing some translate/untranslate rules to
implement fusion for a couple of basic functions (the ones I'm looking at
right now are takeWhile and scanr, but there may be others). I have a
translation for takeWhile that seems to be at least decent, and one for
scanr that is completely untested. I've never mucked about with GHC RULES,
however, so I don't even know where to begin.

Thanks in advance,
David Feuer
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