blob: dae81a2d5ea82dcf0e008592f236ef3cd5aa03fa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
{-# 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
instance IsString [Char] where
fromString xs = xs
|
