Re: [Haskell-cafe] [Q] A typing problem

Henning Thielemann wrote:

Do you mean

foldmap :: (b -> b -> b) -> (a -> b) -> [a] -> b foldmap f m = foldr1 f . map m

But of course ! Thanks :-) -- Didier Verna, didier@lrde.epita.fr, http://www.lrde.epita.fr/~didier EPITA / LRDE, 14-16 rue Voltaire Tel.+33 (1) 44 08 01 85 94276 Le Kremlin-Bicêtre, France Fax.+33 (1) 53 14 59 22 didier@xemacs.org