encoding-0.5.0: Data/Encoding/ASCII.hs

{-# LANGUAGE DeriveDataTypeable #-}
module Data.Encoding.ASCII where

import Data.Char
import Data.Encoding.Base
import Data.Encoding.ByteSource
import Data.Encoding.ByteSink
import Data.Typeable

data ASCII = ASCII deriving (Show,Eq,Typeable)

instance Encoding ASCII where
    decodeChar _ = do
      w <- fetchWord8
      return $ chr $ fromIntegral w
    encodeChar _ c = do
      pushWord8 $ fromIntegral $ ord c
    encodeable _ c = c < '\128'