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- /*
- * 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_
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