ceph/src/boost/libs/fusion/include/boost/fusion/view/repetitive_view/repetitive_view.hpp

   1 /*=============================================================================
   2     Copyright (c) 2007 Tobias Schwinger
   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
   8 #ifndef BOOST_FUSION_REPETITIVE_VIEW_REPETITIVE_VIEW_HPP_INCLUDED
   9 #define BOOST_FUSION_REPETITIVE_VIEW_REPETITIVE_VIEW_HPP_INCLUDED
  10
  11 #include <boost/fusion/support/config.hpp>
  12 #include <boost/type_traits/remove_reference.hpp>
  13 #include <boost/mpl/if.hpp>
  14
  15 #include <boost/fusion/support/is_view.hpp>
  16 #include <boost/fusion/support/category_of.hpp>
  17
  18 #include <boost/fusion/view/repetitive_view/detail/begin_impl.hpp>
  19 #include <boost/fusion/view/repetitive_view/detail/end_impl.hpp>
  20
  21
  22 namespace boost { namespace fusion
  23 {
  24     struct repetitive_view_tag;
  25     struct fusion_sequence_tag;
  26
  27     template<typename Sequence> struct repetitive_view
  28         : sequence_base< repetitive_view<Sequence> >
  29     {
  30         typedef repetitive_view_tag fusion_tag;
  31         typedef fusion_sequence_tag tag; // this gets picked up by MPL
  32         typedef mpl::true_ is_view;
  33
  34         typedef single_pass_traversal_tag category;
  35
  36         typedef typename boost::remove_reference<Sequence>::type sequence_type;
  37         typedef typename
  38             mpl::if_<traits::is_view<Sequence>, Sequence, sequence_type&>::type
  39         stored_seq_type;
  40
  41         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  42         repetitive_view(Sequence& in_seq)
  43             : seq(in_seq) {}
  44
  45         stored_seq_type seq;
  46
  47     private:
  48         // silence MSVC warning C4512: assignment operator could not be generated
  49         repetitive_view& operator= (repetitive_view const&);
  50     };
  51
  52 }}
  53
  54 #endif