ceph/src/boost/libs/log/include/boost/log/expressions/keyword_fwd.hpp

   1 /*
   2  *          Copyright Andrey Semashev 2007 - 2015.
   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   keyword_fwd.hpp
   9  * \author Andrey Semashev
  10  * \date   29.01.2012
  11  *
  12  * The header contains attribute keyword forward declaration.
  13  */
  14
  15 #ifndef BOOST_LOG_EXPRESSIONS_KEYWORD_FWD_HPP_INCLUDED_
  16 #define BOOST_LOG_EXPRESSIONS_KEYWORD_FWD_HPP_INCLUDED_
  17
  18 #include <boost/log/detail/config.hpp>
  19
  20 #ifdef BOOST_HAS_PRAGMA_ONCE
  21 #pragma once
  22 #endif
  23
  24 namespace boost {
  25
  26 #ifndef BOOST_LOG_DOXYGEN_PASS
  27
  28 namespace phoenix {
  29
  30 template< typename >
  31 struct actor;
  32
  33 } // namespace phoenix
  34
  35 #endif // BOOST_LOG_DOXYGEN_PASS
  36
  37 BOOST_LOG_OPEN_NAMESPACE
  38
  39 namespace expressions {
  40
  41 /*!
  42  * \brief This class implements an expression template keyword
  43  */
  44 template< typename DescriptorT, template< typename > class ActorT = phoenix::actor >
  45 struct attribute_keyword;
  46
  47 } // namespace expressions
  48
  49 BOOST_LOG_CLOSE_NAMESPACE // namespace log
  50
  51 } // namespace boost
  52
  53 #endif // BOOST_LOG_EXPRESSIONS_KEYWORD_FWD_HPP_INCLUDED_