Sorry for a type and probably confusing you, it must be: > readRow l = gmap (\(Left (Just ri)) -> Right $ l `atMay` ri >>= readMay)
instead of > l `atMay` c _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
