[Haskell-beginners] Trivial function of type (a -> b) -> Maybe a
-> Maybe b
Colin Paul Adams
colin at colina.demon.co.uk
Wed Jan 13 09:47:51 EST 2010
>>>>> "Eugen" == Eugen Zagorodniy <e.zagorodniy at gmail.com> writes:
Eugen> Greetings! I looked at documentation of Maybe type and
Eugen> suprisingly found no function like
Eugen> maybize :: (a -> b) -> Maybe a -> Maybe b maybize f Nothing
Eugen> = Nothing maybize f (Just x) = Just (f x)
Isn't that fmap?
--
Colin Adams
Preston Lancashire
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