@haskell.org
| Subject: Re: [Haskell-cafe] Re: problem with collection (container) class
|
| Am Freitag, 8. Februar 2008 22:14 schrieb Ben Franksen:
| If it's a bug then it is probably in 6.6.1 too, it just gets hidden by the
| fact that in 6.6.1 the -fglasgow-exts extensions cannot be activated
Am Freitag, 8. Februar 2008 22:14 schrieb Ben Franksen:
If it's a bug then it is probably in 6.6.1 too, it just gets hidden by the
fact that in 6.6.1 the -fglasgow-exts extensions cannot be activated
separately. If you enable one of them, you get them all.
Thanks for the info, didn't know
Daniel Fischer wrote:
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE FunctionalDependencies #-}
{- # LANGUAGE FlexibleInstances # -}
module Leandro where
data Abb a b = Branch a b (Abb a b) (Abb a b) | Leaf
data ListAssoc a b = Node a b (ListAssoc a b) | Empty
class Container c a