base-4.7.0.0: Basic libraries

Copyright(c) The University of Glasgow 2007
LicenseBSD-style (see the file libraries/base/LICENSE)
Maintainerlibraries@haskell.org
Stabilityexperimental
Portabilityportable
Safe HaskellTrustworthy
LanguageHaskell2010

Data.String

Contents

Description

The String type and associated operations.

Synopsis

Documentation

type String = [Char]Source

A String is a list of characters. String constants in Haskell are values of type String.

class IsString a whereSource

Class for string-like datastructures; used by the overloaded string extension (-XOverloadedStrings in GHC).

Methods

fromString :: String -> aSource

Instances

Functions on strings

lines :: String -> [String]Source

lines breaks a string up into a list of strings at newline characters. The resulting strings do not contain newlines.

words :: String -> [String]Source

words breaks a string up into a list of words, which were delimited by white space.

unlines :: [String] -> StringSource

unlines is an inverse operation to lines. It joins lines, after appending a terminating newline to each.

unwords :: [String] -> StringSource

unwords is an inverse operation to words. It joins words with separating spaces.