{-# LANGUAGE Trustworthy #-}
{-# LANGUAGE CPP, NoImplicitPrelude, FlexibleInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module : Data.String
-- Copyright : (c) The University of Glasgow 2007
-- License : BSD-style (see the file libraries/base/LICENSE)
--
-- Maintainer : libraries@haskell.org
-- Stability : experimental
-- Portability : portable
--
-- The @String@ type and associated operations.
--
-----------------------------------------------------------------------------
module Data.String (
String
, IsString(..)
-- * Functions on strings
, lines
, words
, unlines
, unwords
) where
#ifdef __GLASGOW_HASKELL__
import GHC.Base
#endif
import Data.List (lines, words, unlines, unwords)
-- | Class for string-like datastructures; used by the overloaded string
-- extension (-foverloaded-strings in GHC).
class IsString a where
fromString :: String -> a
#ifndef __NHC__
instance IsString [Char] where
fromString xs = xs
#endif
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