ceph/src/boost/boost/range/detail/combine_rvalue.hpp

   1 // Boost.Range library
   2 //
   3 //  Copyright Neil Groves 2014. Use, modification and
   4 //  distribution is subject to the Boost Software License, Version
   5 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 //  http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8 // For more information, see http://www.boost.org/libs/range/
   9 //
  10 #define BOOST_RANGE_combined_args(z, n, i) \
  11     BOOST_PP_CAT(R, n)&& BOOST_PP_CAT(r, n)
  12
  13 #define BOOST_RANGE_combined_range_iterator(z, n, i) \
  14     typename range_iterator< \
  15         typename remove_reference<BOOST_PP_CAT(R,n)>::type \
  16   >::type
  17
  18
  19 #define BOOST_RANGE_combine(z, n, data) \
  20     template <BOOST_PP_ENUM_PARAMS(n, typename R)> \
  21     inline range::combined_range< \
  22         tuple<BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~)> \
  23     > \
  24     combine(BOOST_PP_ENUM(n, BOOST_RANGE_combined_args, ~)) \
  25     { \
  26         typedef tuple< \
  27             BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~) \
  28         > rng_tuple_t; \
  29         return range::combined_range<rng_tuple_t>( \
  30             rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, begin)), \
  31             rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, end))); \
  32     }