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kowey/gist:876235

Created March 18, 2011 15:13
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gistfile1.hs
module Choice where
data Choice a = Wanted a | Unwanted a
wanted :: Choice a -> Maybe a
wanted (Wanted s) = Just s
wanted (Unwanted _) = Nothing
-- | The item, regardless of whether it's wanted or not
undiscriminate :: Choice a -> a
undiscriminate (Wanted x) = x
undiscriminate (Unwanted x) = x
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