#ifndef BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP | |
#define BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP | |
// MS compatible compilers support #pragma once | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma once | |
#endif | |
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
// assume_abstract_class.hpp: | |
// (C) Copyright 2008 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. | |
// this is useful for compilers which don't support the boost::is_abstract | |
#include <boost/type_traits/is_abstract.hpp> | |
#ifndef BOOST_NO_IS_ABSTRACT | |
// if there is an intrinsic is_abstract defined, we don't have to do anything | |
#define BOOST_SERIALIZATION_ASSUME_ABSTRACT(T) | |
// but forward to the "official" is_abstract | |
namespace boost { | |
namespace serialization { | |
template<class T> | |
struct is_abstract : boost::is_abstract< T > {} ; | |
} // namespace serialization | |
} // namespace boost | |
#else | |
// we have to "make" one | |
namespace boost { | |
namespace serialization { | |
template<class T> | |
struct is_abstract : boost::false_type {}; | |
} // namespace serialization | |
} // namespace boost | |
// define a macro to make explicit designation of this more transparent | |
#define BOOST_SERIALIZATION_ASSUME_ABSTRACT(T) \ | |
namespace boost { \ | |
namespace serialization { \ | |
template<> \ | |
struct is_abstract< T > : boost::true_type {}; \ | |
template<> \ | |
struct is_abstract< const T > : boost::true_type {}; \ | |
}} \ | |
/**/ | |
#endif // BOOST_NO_IS_ABSTRACT | |
#endif //BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP |