// Copyright Cromwell D. Enage 2018.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_HPP
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#define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_HPP
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#include <boost/parameter/config.hpp>
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#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
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namespace boost { namespace parameter {
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template <typename TaggedArg0, typename ...TaggedArgs>
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struct are_tagged_arguments;
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}} // namespace boost::parameter
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#include <boost/parameter/aux_/is_tagged_argument.hpp>
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namespace boost { namespace parameter {
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template <typename TaggedArg0>
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struct are_tagged_arguments<TaggedArg0>
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: ::boost::parameter::aux::is_tagged_argument<TaggedArg0>
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{
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};
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}} // namespace boost::parameter
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace parameter {
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template <typename TaggedArg0, typename ...TaggedArgs>
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struct are_tagged_arguments
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: ::boost::mpl::if_<
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::boost::parameter::aux::is_tagged_argument<TaggedArg0>
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, ::boost::parameter::are_tagged_arguments<TaggedArgs...>
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, ::boost::mpl::false_
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>::type
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{
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};
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}} // namespace boost::parameter
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#else // !defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
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#define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z(z, n, false_t) , false_t>
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/**/
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#include <boost/parameter/aux_/is_tagged_argument.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/preprocessor/cat.hpp>
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#define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z(z, n, prefix) \
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::boost::mpl::eval_if< \
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::boost::parameter::aux::is_tagged_argument<BOOST_PP_CAT(prefix, n)>,
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/**/
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#include <boost/parameter/aux_/void.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/preprocessor/arithmetic/sub.hpp>
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#include <boost/preprocessor/facilities/intercept.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
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#define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z(z, n, prefix) \
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template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename prefix)> \
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struct are_tagged_arguments< \
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BOOST_PP_ENUM_PARAMS_Z(z, n, prefix) \
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BOOST_PP_ENUM_TRAILING_PARAMS_Z( \
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z \
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, BOOST_PP_SUB(BOOST_PARAMETER_COMPOSE_MAX_ARITY, n) \
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, ::boost::parameter::void_ BOOST_PP_INTERCEPT \
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) \
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> : BOOST_PP_CAT(BOOST_PP_REPEAT_, z)( \
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n \
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, BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z \
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, prefix \
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) \
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::boost::mpl::true_ \
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BOOST_PP_CAT(BOOST_PP_REPEAT_, z)( \
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n \
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, BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z \
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, ::boost::mpl::false_ \
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)::type \
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{ \
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};
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/**/
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#include <boost/preprocessor/arithmetic/inc.hpp>
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#include <boost/preprocessor/repetition/enum_binary_params.hpp>
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namespace boost { namespace parameter {
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template <
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BOOST_PP_ENUM_BINARY_PARAMS(
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BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY)
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, typename TaggedArg
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, = ::boost::parameter::void_ BOOST_PP_INTERCEPT
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)
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>
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struct are_tagged_arguments;
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}} // namespace boost::parameter
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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namespace boost { namespace parameter {
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BOOST_PP_REPEAT_FROM_TO(
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1
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, BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY)
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, BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z
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, TaggedArg
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)
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}} // namespace boost::parameter
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#undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z
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#undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z
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#undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z
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#endif // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
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#endif // include guard
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