1 # /* **************************************************************************
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3 # * (C) Copyright Paul Mensonides 2002.
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4 # * Distributed under the Boost Software License, Version 1.0. (See
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5 # * accompanying file LICENSE_1_0.txt or copy at
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6 # * http://www.boost.org/LICENSE_1_0.txt)
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8 # ************************************************************************** */
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10 # /* See http://www.boost.org for most recent version. */
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12 # ifndef BOOST_PREPROCESSOR_SEQ_SEQ_HPP
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13 # define BOOST_PREPROCESSOR_SEQ_SEQ_HPP
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15 # include <boost/preprocessor/config/config.hpp>
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16 # include <boost/preprocessor/seq/elem.hpp>
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18 # /* BOOST_PP_SEQ_HEAD */
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20 # define BOOST_PP_SEQ_HEAD(seq) BOOST_PP_SEQ_ELEM(0, seq)
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22 # /* BOOST_PP_SEQ_TAIL */
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24 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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25 # define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_1((seq))
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26 # define BOOST_PP_SEQ_TAIL_1(par) BOOST_PP_SEQ_TAIL_2 ## par
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27 # define BOOST_PP_SEQ_TAIL_2(seq) BOOST_PP_SEQ_TAIL_I ## seq
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28 # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
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29 # define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_ID(BOOST_PP_SEQ_TAIL_I seq)
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30 # define BOOST_PP_SEQ_TAIL_ID(id) id
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31 # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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32 # define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_D(seq)
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33 # define BOOST_PP_SEQ_TAIL_D(seq) BOOST_PP_SEQ_TAIL_I seq
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35 # define BOOST_PP_SEQ_TAIL(seq) BOOST_PP_SEQ_TAIL_I seq
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38 # define BOOST_PP_SEQ_TAIL_I(x)
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40 # /* BOOST_PP_SEQ_NIL */
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42 # define BOOST_PP_SEQ_NIL(x) (x)
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