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- // Copyright Cromwell D. Enage 2018.
- // 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_ARE_TAGGED_ARGUMENTS_HPP
- #define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_HPP
- #include <boost/parameter/config.hpp>
- #if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
- namespace boost { namespace parameter {
- template <typename TaggedArg0, typename ...TaggedArgs>
- struct are_tagged_arguments;
- }} // namespace boost::parameter
- #include <boost/parameter/aux_/is_tagged_argument.hpp>
- namespace boost { namespace parameter {
- template <typename TaggedArg0>
- struct are_tagged_arguments<TaggedArg0>
- : ::boost::parameter::aux::is_tagged_argument<TaggedArg0>
- {
- };
- }} // namespace boost::parameter
- #include <boost/mpl/bool.hpp>
- #include <boost/mpl/if.hpp>
- namespace boost { namespace parameter {
- template <typename TaggedArg0, typename ...TaggedArgs>
- struct are_tagged_arguments
- : ::boost::mpl::if_<
- ::boost::parameter::aux::is_tagged_argument<TaggedArg0>
- , ::boost::parameter::are_tagged_arguments<TaggedArgs...>
- , ::boost::mpl::false_
- >::type
- {
- };
- }} // namespace boost::parameter
- #else // !defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
- #define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z(z, n, false_t) , false_t>
- /**/
- #include <boost/parameter/aux_/is_tagged_argument.hpp>
- #include <boost/mpl/eval_if.hpp>
- #include <boost/preprocessor/cat.hpp>
- #define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z(z, n, prefix) \
- ::boost::mpl::eval_if< \
- ::boost::parameter::aux::is_tagged_argument<BOOST_PP_CAT(prefix, n)>,
- /**/
- #include <boost/parameter/aux_/void.hpp>
- #include <boost/mpl/bool.hpp>
- #include <boost/preprocessor/arithmetic/sub.hpp>
- #include <boost/preprocessor/facilities/intercept.hpp>
- #include <boost/preprocessor/repetition/repeat.hpp>
- #include <boost/preprocessor/repetition/enum_params.hpp>
- #include <boost/preprocessor/repetition/enum_trailing_params.hpp>
- #define BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z(z, n, prefix) \
- template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename prefix)> \
- struct are_tagged_arguments< \
- BOOST_PP_ENUM_PARAMS_Z(z, n, prefix) \
- BOOST_PP_ENUM_TRAILING_PARAMS_Z( \
- z \
- , BOOST_PP_SUB(BOOST_PARAMETER_COMPOSE_MAX_ARITY, n) \
- , ::boost::parameter::void_ BOOST_PP_INTERCEPT \
- ) \
- > : BOOST_PP_CAT(BOOST_PP_REPEAT_, z)( \
- n \
- , BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z \
- , prefix \
- ) \
- ::boost::mpl::true_ \
- BOOST_PP_CAT(BOOST_PP_REPEAT_, z)( \
- n \
- , BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z \
- , ::boost::mpl::false_ \
- )::type \
- { \
- };
- /**/
- #include <boost/preprocessor/arithmetic/inc.hpp>
- #include <boost/preprocessor/repetition/enum_binary_params.hpp>
- namespace boost { namespace parameter {
- template <
- BOOST_PP_ENUM_BINARY_PARAMS(
- BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY)
- , typename TaggedArg
- , = ::boost::parameter::void_ BOOST_PP_INTERCEPT
- )
- >
- struct are_tagged_arguments;
- }} // namespace boost::parameter
- #include <boost/preprocessor/repetition/repeat_from_to.hpp>
- namespace boost { namespace parameter {
- BOOST_PP_REPEAT_FROM_TO(
- 1
- , BOOST_PP_INC(BOOST_PARAMETER_COMPOSE_MAX_ARITY)
- , BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z
- , TaggedArg
- )
- }} // namespace boost::parameter
- #undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_OVERLOADS_Z
- #undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_BEGIN_Z
- #undef BOOST_PARAMETER_ARE_TAGGED_ARGUMENTS_END_Z
- #endif // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
- #endif // include guard
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