Text.Cassette.Char

Documentation

oneOf :: [Char] -> PP Char

Succeeds if the current character is in the supplied list of characters. See also satisfy.

 vowel = oneOf "aeiou"

noneOf :: [Char] -> PP Char

Dual of oneOf.

skip :: (Char -> Bool) -> Char -> PP0

The satisfy combinator, unshifted.

skipSpace :: PP0

skipSpace marks a position where whitespace is allowed to occur. It accepts arbitrary space while parsing, and produces no space while printing.

optSpace :: PP0

optSpace marks a position where whitespace is desired to occur. It accepts arbitrary space while parsing, and produces a single space character while printing.

sepSpace :: PP0

sepSpace marks a position where whitespace is required to occur. It requires one or more space characters while parsing, and produces a single space character while printing.

newline :: PP0

Parses a newline character ('\n').

tab :: PP0

Parses a tab character ('\t').

upper, anyChar, octDigit, hexDigit, digit, letter, alphaNum, lower :: PP Char

char :: Char -> PP0

A specific character.