"Tn X-10n" <kawairashii@hotmail.com> writes: >> change :: String -> Bool >> change "1"=A0 =3D True >> change "0"=A0 =3D False > > conv :: [String] -> [Bool]=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3Dunable to declare [[Bool]] Again: a String is a list of ....? -kzm --=20 If I haven't seen further, it is by standing in the footprints of giants