39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
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// Copyright David Abrahams 2005. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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# define BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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# include <boost/parameter/aux_/unwrap_cv_reference.hpp>
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# include <boost/parameter/aux_/tagged_argument.hpp>
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namespace boost { namespace parameter { namespace aux {
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template <class Keyword, class ActualArg
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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, class = typename is_cv_reference_wrapper<ActualArg>::type
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#endif
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>
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struct tag
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{
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typedef tagged_argument<
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Keyword
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, typename unwrap_cv_reference<ActualArg>::type
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> type;
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};
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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template <class Keyword, class ActualArg>
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struct tag<Keyword,ActualArg,mpl::false_>
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{
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typedef tagged_argument<
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Keyword
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, ActualArg
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> type;
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};
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#endif
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}}} // namespace boost::parameter::aux_
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#endif // BOOST_PARAMETER_AUX_TAG_DWA2005610_HPP
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