[Haskell-beginners] Alternative

Imants Cekusins imantc at gmail.com
Wed Dec 28 12:41:07 UTC 2016

>  something even simpler:‚Äč

cheers Oliver. asum *is* better.

how is it possible to (<|>) results in:

type Am m  = (Alternative m, Monad m)

(Am m, Am n) => (a -> m (n b)) -> [a] -> m (n b)


say, m (n b) is
IO (Maybe b)
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