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_DETAIL_IS_UNARY_HPP
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13 # define BOOST_PREPROCESSOR_DETAIL_IS_UNARY_HPP
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15 # include <boost/preprocessor/config/config.hpp>
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16 # include <boost/preprocessor/detail/check.hpp>
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18 # /* BOOST_PP_IS_UNARY */
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20 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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21 # define BOOST_PP_IS_UNARY(x) BOOST_PP_CHECK(x, BOOST_PP_IS_UNARY_CHECK)
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23 # define BOOST_PP_IS_UNARY(x) BOOST_PP_IS_UNARY_I(x)
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24 # define BOOST_PP_IS_UNARY_I(x) BOOST_PP_CHECK(x, BOOST_PP_IS_UNARY_CHECK)
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27 # define BOOST_PP_IS_UNARY_CHECK(a) 1
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28 # define BOOST_PP_CHECK_RESULT_BOOST_PP_IS_UNARY_CHECK 0, BOOST_PP_NIL
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