{-# LANGUAGE FlexibleInstances, UndecidableInstances, MultiParamTypeClasses #-}

{- |
   The HList library

   (C) 2004, Oleg Kiselyov, Ralf Laemmel, Keean Schupke

   Yet another model of labels.

   This model allow us to use any type as label type.
   As a result, we need some generic instances.

   Also, type errors may be more confusing now.
-}

module Data.HList.Label5 where

import Data.Typeable
import Data.Char
import Data.HList.FakePrelude
import Data.HList.Record


-- | Equality on labels

-- instance TypeEq x y b => HEq x y b


-- | Show label

instance Typeable x => ShowLabel x
 where
  showLabel = (\(x:xs) -> toLower x:xs)
            . reverse
            . takeWhile (not . (==) '.')
            . reverse
            . show
{-
            . tyConString
            . typeRepTyCon
-}
            . typeOf