The perm package

[Tags:bsd3, library, test]

Based on "Parsing Permutation Phrases", by Arthur Baars, Andres Loeh and S. Doaitse Swierstra, Haskell Workshop 2001. The implementation given here does not include explicit optional actions, and instead implements Alternative and MonadPlus. m <*> (lift n <|> pure a) should be used where addOpt m a n would be used.


Dependencies base (==4.*), catch-fd (>=0.2 && <0.4), mtl (>=2.0 && <2.2), transformers (>=0.2 && <0.4) [details]
License BSD3
Author Andy Sonnenburg
Maintainer Andy Sonnenburg <>
Stability Unknown
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Source repository head: git clone git://
Uploaded Wed Oct 17 21:15:27 UTC 2012 by AndySonnenburg
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