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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_DEDUCED_HPP
#define BOOST_PARAMETER_AUX_PACK_TAG_DEDUCED_HPP
#include <boost/parameter/aux_/set.hpp>
#include <boost/parameter/aux_/pack/tag_type.hpp>
#include <boost/parameter/config.hpp>
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#include <boost/mp11/list.hpp>
#include <boost/mp11/utility.hpp>
#else
#include <boost/mpl/pair.hpp>
#include <boost/mpl/apply_wrap.hpp>
#endif
namespace boost { namespace parameter { namespace aux {
// Tags a deduced argument Arg with the keyword tag of Spec using TagFn.
// Returns the tagged argument and the mpl::set<> UsedArgs with the
// tag of Spec inserted.
template <typename UsedArgs, typename Spec, typename Arg, typename TagFn>
struct tag_deduced
{
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
using type = ::boost::mp11::mp_list<
::boost::mp11::mp_apply_q<
TagFn
, ::boost::mp11::mp_list<
typename ::boost::parameter::aux::tag_type<Spec>::type
, Arg
>
>
#else
typedef ::boost::mpl::pair<
typename ::boost::mpl::apply_wrap2<
TagFn
, typename ::boost::parameter::aux::tag_type<Spec>::type
, Arg
>::type
#endif // BOOST_PARAMETER_CAN_USE_MP11
, typename ::boost::parameter::aux::insert_<
UsedArgs
, typename ::boost::parameter::aux::tag_type<Spec>::type
>::type
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
>;
#else
> type;
#endif
};
}}} // namespace boost::parameter::aux
#endif // include guard
Version data entries
14 entries across 14 versions & 1 rubygems