Library with some useful functions on characters.
Exported Functions: digitToInt, intToDigit, isAscii, isAsciiLower, isAsciiUpper, isControl, isLatin1, toLower, toUpper
Returns true if the argument is an ASCII character.
Returns true if the argument is an Latin-1 character.
isAsciiLower
:: Char -> Bool
Returns true if the argument is an ASCII lowercase letter.
isAsciiUpper
:: Char -> Bool
Returns true if the argument is an ASCII uppercase letter.
Returns true if the argument is a control character.
Converts lowercase into uppercase letters.
Converts uppercase into lowercase letters.
digitToInt
:: Char -> Int
Converts a (hexadecimal) digit character into an integer.
intToDigit
:: Int -> Char
Converts an integer into a (hexadecimal) digit character.