{-# LANGUAGE Trustworthy #-} {-# LANGUAGE 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 import GHC.Base import Data.List (lines, words, unlines, unwords) -- | Class for string-like datastructures; used by the overloaded string -- extension (-XOverloadedStrings in GHC). class IsString a where fromString :: String -> a instance IsString [Char] where fromString xs = xs