| Brian Silverman | f27e085 | 2018-08-04 23:56:45 -0700 | [diff] [blame^] | 1 | # /* ************************************************************************** |
| 2 | # * * |
| 3 | # * (C) Copyright Edward Diener 2013. |
| 4 | # * Distributed under the Boost Software License, Version 1.0. (See |
| 5 | # * accompanying file LICENSE_1_0.txt or copy at |
| 6 | # * http://www.boost.org/LICENSE_1_0.txt) |
| 7 | # * * |
| 8 | # ************************************************************************** */ |
| 9 | # |
| 10 | # /* See http://www.boost.org for most recent version. */ |
| 11 | # |
| 12 | # ifndef BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP |
| 13 | # define BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP |
| 14 | # |
| 15 | # include <boost/preprocessor/config/config.hpp> |
| 16 | # |
| 17 | # if BOOST_PP_VARIADICS |
| 18 | # |
| 19 | # include <boost/preprocessor/array/remove.hpp> |
| 20 | # include <boost/preprocessor/array/to_tuple.hpp> |
| 21 | # include <boost/preprocessor/comparison/greater.hpp> |
| 22 | # include <boost/preprocessor/control/iif.hpp> |
| 23 | # include <boost/preprocessor/tuple/size.hpp> |
| 24 | # include <boost/preprocessor/tuple/to_array.hpp> |
| 25 | # |
| 26 | # /* BOOST_PP_TUPLE_REMOVE */ |
| 27 | # |
| 28 | # define BOOST_PP_TUPLE_REMOVE(tuple, i) \ |
| 29 | BOOST_PP_IIF \ |
| 30 | ( \ |
| 31 | BOOST_PP_GREATER(BOOST_PP_TUPLE_SIZE(tuple),1), \ |
| 32 | BOOST_PP_TUPLE_REMOVE_EXEC, \ |
| 33 | BOOST_PP_TUPLE_REMOVE_RETURN \ |
| 34 | ) \ |
| 35 | (tuple, i) \ |
| 36 | /**/ |
| 37 | # |
| 38 | # define BOOST_PP_TUPLE_REMOVE_EXEC(tuple, i) \ |
| 39 | BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REMOVE(BOOST_PP_TUPLE_TO_ARRAY(tuple), i)) \ |
| 40 | /**/ |
| 41 | # |
| 42 | # define BOOST_PP_TUPLE_REMOVE_RETURN(tuple, i) tuple |
| 43 | # |
| 44 | # /* BOOST_PP_TUPLE_REMOVE_D */ |
| 45 | # |
| 46 | # define BOOST_PP_TUPLE_REMOVE_D(d, tuple, i) \ |
| 47 | BOOST_PP_IIF \ |
| 48 | ( \ |
| 49 | BOOST_PP_GREATER_D(d, BOOST_PP_TUPLE_SIZE(tuple), 1), \ |
| 50 | BOOST_PP_TUPLE_REMOVE_D_EXEC, \ |
| 51 | BOOST_PP_TUPLE_REMOVE_D_RETURN \ |
| 52 | ) \ |
| 53 | (d, tuple, i) \ |
| 54 | /**/ |
| 55 | # |
| 56 | # define BOOST_PP_TUPLE_REMOVE_D_EXEC(d, tuple, i) \ |
| 57 | BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REMOVE_D(d, BOOST_PP_TUPLE_TO_ARRAY(tuple), i)) \ |
| 58 | /**/ |
| 59 | # |
| 60 | # define BOOST_PP_TUPLE_REMOVE_D_RETURN(d, tuple, i) tuple |
| 61 | # |
| 62 | # endif // BOOST_PP_VARIADICS |
| 63 | # |
| 64 | # endif // BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP |