// 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))); \ }