///////////////////////////////////////////////////////////////////////////////

// epsilon_matcher.hpp

//

//  Copyright 2007 Eric Niebler. Distributed under the Boost

//  Software License, Version 1.0. (See accompanying file

//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)



#ifndef BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_EPSILON_MATCHER_HPP_EAN_10_04_2005

#define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_EPSILON_MATCHER_HPP_EAN_10_04_2005



// MS compatible compilers support #pragma once

#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif



#include <boost/xpressive/detail/detail_fwd.hpp>

#include <boost/xpressive/detail/core/quant_style.hpp>

#include <boost/xpressive/detail/core/state.hpp>



namespace boost { namespace xpressive { namespace detail

{



    ///////////////////////////////////////////////////////////////////////////////

    // epsilon_matcher

    //

    struct epsilon_matcher

    {

        BOOST_XPR_QUANT_STYLE(quant_none, 0, true)



        template<typename BidiIter, typename Next>

        static bool match(match_state<BidiIter> &state, Next const &next)

        {

            return next.match(state);

        }

    };



}}}



#endif

