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Diffstat (limited to 'boost/range/detail/combine_rvalue.hpp')
| -rw-r--r-- | boost/range/detail/combine_rvalue.hpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/boost/range/detail/combine_rvalue.hpp b/boost/range/detail/combine_rvalue.hpp new file mode 100644 index 0000000000..2e323b75ad --- /dev/null +++ b/boost/range/detail/combine_rvalue.hpp @@ -0,0 +1,32 @@ +// Boost.Range library +// +// Copyright Neil Groves 2014. Use, modification and +// distribution is subject to the Boost Software License, Version +// 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// For more information, see http://www.boost.org/libs/range/ +// +#define BOOST_RANGE_combined_args(z, n, i) \ + BOOST_PP_CAT(R, n)&& BOOST_PP_CAT(r, n) + +#define BOOST_RANGE_combined_range_iterator(z, n, i) \ + typename range_iterator< \ + typename remove_reference<BOOST_PP_CAT(R,n)>::type \ + >::type + + +#define BOOST_RANGE_combine(z, n, data) \ + template <BOOST_PP_ENUM_PARAMS(n, typename R)> \ + inline range::combined_range< \ + tuple<BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~)> \ + > \ + combine(BOOST_PP_ENUM(n, BOOST_RANGE_combined_args, ~)) \ + { \ + typedef tuple< \ + BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~) \ + > rng_tuple_t; \ + return range::combined_range<rng_tuple_t>( \ + rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, begin)), \ + rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, end))); \ + } |