| 1 | # /* Copyright (C) 2001 |
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| 2 | # * Housemarque Oy |
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| 3 | # * http://www.housemarque.com |
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| 4 | # * |
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| 5 | # * Distributed under the Boost Software License, Version 1.0. (See |
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| 6 | # * accompanying file LICENSE_1_0.txt or copy at |
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| 7 | # * http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | # */ |
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| 9 | # |
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| 10 | # /* Revised by Paul Mensonides (2002) */ |
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| 11 | # |
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| 12 | # /* See http://www.boost.org for most recent version. */ |
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| 13 | # |
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| 14 | # ifndef BOOST_PREPROCESSOR_LIST_AT_HPP |
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| 15 | # define BOOST_PREPROCESSOR_LIST_AT_HPP |
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| 16 | # |
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| 17 | # include <boost/preprocessor/config/config.hpp> |
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| 18 | # include <boost/preprocessor/list/adt.hpp> |
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| 19 | # include <boost/preprocessor/list/rest_n.hpp> |
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| 20 | # |
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| 21 | # /* BOOST_PP_LIST_AT */ |
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| 22 | # |
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| 23 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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| 24 | # define BOOST_PP_LIST_AT(list, index) BOOST_PP_LIST_FIRST(BOOST_PP_LIST_REST_N(index, list)) |
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| 25 | # else |
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| 26 | # define BOOST_PP_LIST_AT(list, index) BOOST_PP_LIST_AT_I(list, index) |
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| 27 | # define BOOST_PP_LIST_AT_I(list, index) BOOST_PP_LIST_FIRST(BOOST_PP_LIST_REST_N(index, list)) |
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| 28 | # endif |
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| 29 | # |
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| 30 | # /* BOOST_PP_LIST_AT_D */ |
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| 31 | # |
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| 32 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
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| 33 | # define BOOST_PP_LIST_AT_D(d, list, index) BOOST_PP_LIST_FIRST(BOOST_PP_LIST_REST_N_D(d, index, list)) |
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| 34 | # else |
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| 35 | # define BOOST_PP_LIST_AT_D(d, list, index) BOOST_PP_LIST_AT_D_I(d, list, index) |
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| 36 | # define BOOST_PP_LIST_AT_D_I(d, list, index) BOOST_PP_LIST_FIRST(BOOST_PP_LIST_REST_N_D(d, index, list)) |
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| 37 | # endif |
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| 38 | # |
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| 39 | # endif |
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| 40 | |
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