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Contents
// Copyright David Abrahams, Daniel Wallin 2003.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_PARAMETER_AUX_PACK_TAG_KEYWORD_ARG_REF_HPP
#define BOOST_PARAMETER_AUX_PACK_TAG_KEYWORD_ARG_REF_HPP
#include <boost/parameter/aux_/unwrap_cv_reference.hpp>
#include <boost/parameter/aux_/tagged_argument.hpp>
#include <boost/parameter/config.hpp>
namespace boost { namespace parameter { namespace aux {
template <
typename Keyword
, typename ActualArg
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
, typename = typename ::boost::parameter::aux
::is_cv_reference_wrapper<ActualArg>::type
#endif
>
struct tag_ref
{
typedef ::boost::parameter::aux::tagged_argument<
Keyword
, typename ::boost::parameter::aux
::unwrap_cv_reference<ActualArg>::type
> type;
};
}}} // namespace boost::parameter::aux_
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
#include <boost/mpl/bool.hpp>
namespace boost { namespace parameter { namespace aux {
template <typename Keyword, typename ActualArg>
struct tag_ref<Keyword,ActualArg,::boost::mpl::false_>
{
typedef ::boost::parameter::aux
::tagged_argument<Keyword,ActualArg> type;
};
}}} // namespace boost::parameter::aux_
#endif // Borland workarounds needed.
namespace boost { namespace parameter { namespace aux {
struct tag_keyword_arg_ref
{
template <typename K, typename T>
struct apply
{
typedef typename ::boost::parameter::aux::tag_ref<K,T>::type type;
};
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
template <typename K, typename T>
using fn = typename ::boost::parameter::aux::tag_ref<K,T>::type;
#endif
};
}}} // namespace boost::parameter::aux
#endif // include guard
Version data entries
11 entries across 11 versions & 1 rubygems