h/parsec-permutation

Applicative permutation parser for Haskell's Parsec library.

Text.Parsec.Permutation is a permutation parser for parsec intended as
a generalized replacement for Text.Parsec.Perm in parsec.

Example usage:

  > import Text.Parsec.Permutation
  >
  > fooParser :: ParsecT s u m a -> ParsecT s u m [a]
  > fooParser = runPermParser $
  >                 (,,) <$> oncePerm (char 'A')
  >                      <*> manyPerm (char 'B')
  >                      <*> optionMaybePerm (char 'C' >> char 'D')

This parser will return ('A', "BBB", Just 'D') when parsing for example
the strings "BCDABB", "CDBBAB", etc.