1 /* 2 * Copyright Andrey Semashev 2007 - 2014. 3 * Distributed under the Boost Software License, Version 1.0. 4 * (See accompanying file LICENSE_1_0.txt or copy at 5 * http://www.boost.org/LICENSE_1_0.txt) 6 */ 7 /*! 8 * \file visible_type.hpp 9 * \author Andrey Semashev 10 * \date 08.03.2007 11 * 12 * \brief This header is the Boost.Log library implementation, see the library documentation 13 * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html. In this file 14 * internal configuration macros are defined. 15 */ 16 17 #ifndef BOOST_LOG_DETAIL_VISIBLE_TYPE_HPP_INCLUDED_ 18 #define BOOST_LOG_DETAIL_VISIBLE_TYPE_HPP_INCLUDED_ 19 20 #include <boost/log/detail/config.hpp> 21 #include <boost/log/detail/header.hpp> 22 23 #ifdef BOOST_HAS_PRAGMA_ONCE 24 #pragma once 25 #endif 26 27 namespace boost { 28 29 BOOST_LOG_OPEN_NAMESPACE 30 31 namespace aux { 32 33 //! The wrapper type whose type_info is always visible 34 template< typename T > 35 struct BOOST_SYMBOL_VISIBLE visible_type 36 { 37 typedef T wrapped_type; 38 }; 39 40 } // namespace aux 41 42 BOOST_LOG_CLOSE_NAMESPACE // namespace log 43 44 } // namespace boost 45 46 #include <boost/log/detail/footer.hpp> 47 48 #endif // BOOST_LOG_DETAIL_VISIBLE_TYPE_HPP_INCLUDED_ 49