Text.Parser.LookAhead

Contents

Description

Parsers that can lookAhead.

Synopsis

Parsing Combinators

Additional functionality needed to describe parsers independent of input type.

Minimal complete definition

Methods

lookAhead p parses p without consuming any input.

Instances

LookAheadParsing ReadP Source #
Methods lookAhead :: ReadP a -> ReadP a Source #
Chunk i => LookAheadParsing (Parser i) Source #
Methods lookAhead :: Parser i a -> Parser i a Source #
(LookAheadParsing m, MonadPlus m) => LookAheadParsing (StateT s m) Source #
Methods lookAhead :: StateT s m a -> StateT s m a Source #
(LookAheadParsing m, MonadPlus m) => LookAheadParsing (StateT s m) Source #
Methods lookAhead :: StateT s m a -> StateT s m a Source #
(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (WriterT w m) Source #
Methods lookAhead :: WriterT w m a -> WriterT w m a Source #
(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (WriterT w m) Source #
Methods lookAhead :: WriterT w m a -> WriterT w m a Source #
(LookAheadParsing m, Monad m) => LookAheadParsing (IdentityT * m) Source #
Methods lookAhead :: IdentityT * m a -> IdentityT * m a Source #
(LookAheadParsing m, MonadPlus m) => LookAheadParsing (ReaderT * e m) Source #
Methods lookAhead :: ReaderT * e m a -> ReaderT * e m a Source #
(Stream s m t, Show t) => LookAheadParsing (ParsecT s u m) Source #
Methods lookAhead :: ParsecT s u m a -> ParsecT s u m a Source #
(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (RWST r w s m) Source #
Methods lookAhead :: RWST r w s m a -> RWST r w s m a Source #
(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (RWST r w s m) Source #
Methods lookAhead :: RWST r w s m a -> RWST r w s m a Source #