import Control.Monad.Cont | |
cataCps :: (Traversable f) => (f a -> a) -> Fix f -> a | |
cataCps algebra expr = runCont (recur algebra expr) id | |
recur :: (Traversable f) => (f a -> a) -> Fix f -> Cont a a | |
recur algebra (Fix expr) = do | |
sub <- sequence $ fmap (recur algebra) expr | |
return (algebra sub) |
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