headed-megaparsec-0.2.1: library/HeadedMegaparsec/Megaparsec.hs

-- |
-- Extra megaparsec combinators.
module HeadedMegaparsec.Megaparsec where

import Control.Applicative.Combinators
import HeadedMegaparsec.Prelude hiding (body, head, try)
import Text.Megaparsec hiding (endBy1, sepBy1, sepEndBy1, some, someTill)
import Text.Megaparsec.Char
import qualified Text.Megaparsec.Char.Lexer as Lexer

contPossibly :: (Ord err, Stream strm) => Parsec err strm (Either a (Parsec err strm a)) -> Parsec err strm a
contPossibly p = do
  junction <- try p
  case junction of
    Left a -> return a
    Right cont -> cont