ceph/src/boost/boost/log/expressions/formatters/stream.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   stream.hpp
   9  * \author Andrey Semashev
  10  * \date   24.07.2012
  11  *
  12  * The header contains implementation of a stream placeholder in template expressions.
  13  */
  14
  15 #ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_
  16 #define BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_
  17
  18 #include <boost/phoenix/core/argument.hpp>
  19 #include <boost/log/detail/config.hpp>
  20 #include <boost/log/detail/header.hpp>
  21
  22 #ifdef BOOST_HAS_PRAGMA_ONCE
  23 #pragma once
  24 #endif
  25
  26 namespace boost {
  27
  28 BOOST_LOG_OPEN_NAMESPACE
  29
  30 namespace expressions {
  31
  32 /*!
  33  * Stream placeholder type in formatter template expressions.
  34  */
  35 typedef phoenix::expression::argument< 2 >::type stream_type;
  36
  37 /*!
  38  * Stream placeholder in formatter template expressions.
  39  */
  40 const stream_type stream = {};
  41
  42 } // namespace expressions
  43
  44 BOOST_LOG_CLOSE_NAMESPACE // namespace log
  45
  46 } // namespace boost
  47
  48 #include <boost/log/detail/footer.hpp>
  49 #if defined(BOOST_LOG_EXPRESSIONS_ATTR_HPP_INCLUDED_)
  50 #include <boost/log/detail/attr_output_impl.hpp>
  51 #endif
  52
  53 #endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_STREAM_HPP_INCLUDED_