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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 |