Chris@102: // Boost.Range library
Chris@102: //
Chris@102: //  Copyright Neil Groves 2014. Use, modification and
Chris@102: //  distribution is subject to the Boost Software License, Version
Chris@102: //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@102: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@102: //
Chris@102: // For more information, see http://www.boost.org/libs/range/
Chris@102: //
Chris@102: #define BOOST_RANGE_combined_args(z, n, i) \
Chris@102:     BOOST_PP_CAT(R, n)&& BOOST_PP_CAT(r, n)
Chris@102: 
Chris@102: #define BOOST_RANGE_combined_range_iterator(z, n, i) \
Chris@102:     typename range_iterator< \
Chris@102:         typename remove_reference<BOOST_PP_CAT(R,n)>::type \
Chris@102:   >::type
Chris@102: 
Chris@102: 
Chris@102: #define BOOST_RANGE_combine(z, n, data) \
Chris@102:     template <BOOST_PP_ENUM_PARAMS(n, typename R)> \
Chris@102:     inline range::combined_range< \
Chris@102:         tuple<BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~)> \
Chris@102:     > \
Chris@102:     combine(BOOST_PP_ENUM(n, BOOST_RANGE_combined_args, ~)) \
Chris@102:     { \
Chris@102:         typedef tuple< \
Chris@102:             BOOST_PP_ENUM(n, BOOST_RANGE_combined_range_iterator, ~) \
Chris@102:         > rng_tuple_t; \
Chris@102:         return range::combined_range<rng_tuple_t>( \
Chris@102:             rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, begin)), \
Chris@102:             rng_tuple_t(BOOST_PP_ENUM(n, BOOST_RANGE_combined_seq, end))); \
Chris@102:     }