{-# OPTIONS_GHC -XTypeSynonymInstances #-}
{-# OPTIONS_GHC -XTypeOperators #-}
{-# OPTIONS_GHC -XKindSignatures #-}
+{-# OPTIONS_GHC -XFunctionalDependencies #-}
+{-# OPTIONS_GHC -XNoGenerics #-}
module GHC.Generics (
-- * Generic representation types
-}
) where
-import {-# SOURCE #-} GHC.Types
+import {-# SOURCE #-} GHC.Types -- ([](..), Int, Char, Bool(..))
--------------------------------------------------------------------------------
-- Representation types
-- | Representable types of kind *
-class Representable0 a rep where
+class Representable0 a rep | a -> rep where
-- | Convert from the datatype to its representation
from0 :: a -> rep x
-- | Convert from the representation to the datatype
to0 :: rep x -> a
-- | Representable types of kind * -> *
-class Representable1 f rep where
+class Representable1 f rep | f -> rep where
-- | Convert from the datatype to its representation
from1 :: f a -> rep a
-- | Convert from the representation to the datatype