ceph/src/boost/libs/fusion/include/boost/fusion/tuple/make_tuple.hpp

   1 /*=============================================================================
   2     Copyright (c) 2014 Kohei Takahashi
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #ifndef FUSION_MAKE_TUPLE_14122014_0048
   8 #define FUSION_MAKE_TUPLE_14122014_0048
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/tuple/tuple_fwd.hpp>
  12
  13 ///////////////////////////////////////////////////////////////////////////////
  14 // With no variadics, we will use the C++03 version
  15 ///////////////////////////////////////////////////////////////////////////////
  16 #if !defined(BOOST_FUSION_HAS_VARIADIC_TUPLE)
  17 # include <boost/fusion/tuple/detail/make_tuple.hpp>
  18 #else
  19
  20 ///////////////////////////////////////////////////////////////////////////////
  21 // C++11 interface
  22 ///////////////////////////////////////////////////////////////////////////////
  23 #include <boost/fusion/support/detail/as_fusion_element.hpp>
  24 #include <boost/fusion/tuple/tuple.hpp>
  25 #include <boost/type_traits/remove_reference.hpp>
  26 #include <boost/type_traits/remove_const.hpp>
  27
  28 namespace boost { namespace fusion
  29 {
  30     template <typename ...T>
  31     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  32     inline tuple<typename detail::as_fusion_element<
  33         typename remove_const<
  34             typename remove_reference<T>::type
  35         >::type
  36     >::type...>
  37     make_tuple(T&&... arg)
  38     {
  39         typedef tuple<typename detail::as_fusion_element<
  40             typename remove_const<
  41                 typename remove_reference<T>::type
  42             >::type
  43         >::type...> result_type;
  44         return result_type(std::forward<T>(arg)...);
  45     }
  46 }}
  47
  48 #endif
  49 #endif
  50