Hi, In Hugs, the infered types for the following four functions: f a = let m = id a in do return m f' a = do m <- id a return m g a = let m =[a,a] in do return m g' a = do m <- [a,a] return m respectively are f :: Monad a => b -> a b f' :: Monad a => a b -> a b g :: Monad a => b -> a [b] g' :: a -> [a] I didn't expect this types, do you? Anybody has some explanation? Thanks in advance, Paqui
--------------------------------- Paqui Lucio Dpto de LSI Facultad de Informática Paseo Manuel de Lardizabal, 1 20080-San Sebastián SPAIN --------------------------------- e-mail: [EMAIL PROTECTED] Tfn: (+34) (9)43 015049 Fax: (+34) (9)43 015590 Web: http://www.sc.ehu.es/paqui ---------------------------------
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