{-# LANGUAGE CPP, PackageImports #-} #if __GLASGOW_HASKELL__ >= 701 {-# LANGUAGE Safe #-} #endif module Data.Char ( -- * Characters and strings Char , String -- * Character classification -- | Unicode characters are divided into letters, numbers, marks, -- punctuation, symbols, separators (including spaces) and others -- (including control characters). , isControl, isSpace , isLower, isUpper, isAlpha, isAlphaNum, isPrint , isDigit, isOctDigit, isHexDigit , isLetter, isMark, isNumber, isPunctuation, isSymbol, isSeparator -- ** Subranges , isAscii, isLatin1 , isAsciiUpper, isAsciiLower -- ** Unicode general categories , GeneralCategory(..), generalCategory -- * Case conversion , toUpper, toLower, toTitle -- :: Char -> Char -- * Single digit characters , digitToInt -- :: Char -> Int , intToDigit -- :: Int -> Char -- * Numeric representations , ord -- :: Char -> Int , chr -- :: Int -> Char -- * String representations , showLitChar -- :: Char -> ShowS , lexLitChar -- :: ReadS String , readLitChar -- :: ReadS Char ) where import "base" Data.Char