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1 | // Copyright David Abrahams 2005. Distributed under the Boost
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2 | // Software License, Version 1.0. (See accompanying
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3 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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4 | #ifndef BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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5 | # define BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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6 |
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7 | # include <boost/parameter/aux_/unwrap_cv_reference.hpp>
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8 | # include <boost/parameter/aux_/tagged_argument.hpp>
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9 |
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10 | namespace boost { namespace parameter { namespace aux {
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11 |
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12 | template <class Keyword, class ActualArg
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13 | #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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14 | , class = typename is_cv_reference_wrapper<ActualArg>::type
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15 | #endif
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16 | >
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17 | struct tag
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18 | {
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19 | typedef tagged_argument<
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20 | Keyword
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21 | , typename unwrap_cv_reference<ActualArg>::type
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22 | > type;
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23 | };
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24 |
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25 | #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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26 | template <class Keyword, class ActualArg>
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27 | struct tag<Keyword,ActualArg,mpl::false_>
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28 | {
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29 | typedef tagged_argument<
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30 | Keyword
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31 | , ActualArg
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32 | > type;
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33 | };
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34 | #endif
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35 |
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36 | }}} // namespace boost::parameter::aux_
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37 |
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38 | #endif // BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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