| /* |
| * Copyright Andrey Semashev 2007 - 2015. |
| * 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) |
| */ |
| /*! |
| * \file value_ref_fwd.hpp |
| * \author Andrey Semashev |
| * \date 27.07.2012 |
| * |
| * The header contains forward declaration of a value reference wrapper. |
| */ |
| |
| #ifndef BOOST_LOG_UTILITY_VALUE_REF_FWD_HPP_INCLUDED_ |
| #define BOOST_LOG_UTILITY_VALUE_REF_FWD_HPP_INCLUDED_ |
| |
| #include <boost/log/detail/config.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| namespace boost { |
| |
| BOOST_LOG_OPEN_NAMESPACE |
| |
| /*! |
| * \brief Reference wrapper for a stored attribute value. |
| */ |
| template< typename T, typename TagT = void > |
| class value_ref; |
| |
| BOOST_LOG_CLOSE_NAMESPACE // namespace log |
| |
| } // namespace boost |
| |
| #endif // BOOST_LOG_UTILITY_VALUE_REF_FWD_HPP_INCLUDED_ |