#ifndef BOOST_SERIALIZATION_IS_ABSTRACT_CLASS_HPP

#define BOOST_SERIALIZATION_IS_ABSTRACT_CLASS_HPP

// MS compatible compilers support #pragma once

// (C) Copyright 2002 Rani Sharoni (rani_sharoni@hotmail.com) and Robert Ramey

// Use, modification and distribution is subject to 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)

//  See http://www.boost.org for updates, documentation, and revision history.

#include <boost/config.hpp>

#include <boost/mpl/bool.hpp>

#include <boost/type_traits/is_abstract.hpp>

namespace serialization {

    template<class T>

    struct is_abstract {

        // default to false if not supported

        #ifdef BOOST_NO_IS_ABSTRACT

            typedef BOOST_DEDUCED_TYPENAME mpl::bool_<false> type;

            BOOST_STATIC_CONSTANT(bool, value = false); 

        #else

            typedef BOOST_DEDUCED_TYPENAME boost::is_abstract<T>::type type;

            BOOST_STATIC_CONSTANT(bool, value = type::value); 

        #endif

    };

} // namespace serialization

// define a macro to make explicit designation of this more transparent

#define BOOST_IS_ABSTRACT(T)                          \

namespace boost {                                     \

namespace serialization {                             \

template<>                                            \

struct is_abstract< T > {                             \

    typedef mpl::bool_<true> type;                    \

    BOOST_STATIC_CONSTANT(bool, value = true);        \

};                                                    \

}                                                     \

}                                                     \

/**/

#endif //BOOST_SERIALIZATION_IS_ABSTRACT_CLASS_HPP