| // 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_AS_PARAMETER_REQUIREMENTS_HPP |
| #define BOOST_PARAMETER_AUX_PACK_AS_PARAMETER_REQUIREMENTS_HPP |
| |
| #include <boost/parameter/aux_/pack/parameter_requirements.hpp> |
| #include <boost/parameter/aux_/pack/tag_type.hpp> |
| #include <boost/parameter/aux_/pack/predicate.hpp> |
| #include <boost/parameter/deduced.hpp> |
| |
| namespace boost { namespace parameter { namespace aux { |
| |
| // Converts a ParameterSpec into a specialization of |
| // parameter_requirements. We need to do this in order to get the |
| // tag_type into the type in a way that can be conveniently matched |
| // by a satisfies(...) member function in arg_list. |
| template <typename ParameterSpec> |
| struct as_parameter_requirements |
| { |
| typedef ::boost::parameter::aux::parameter_requirements< |
| typename ::boost::parameter::aux::tag_type<ParameterSpec>::type |
| , typename ::boost::parameter::aux::predicate<ParameterSpec>::type |
| , ::boost::parameter::aux::has_default<ParameterSpec> |
| > type; |
| }; |
| }}} // namespace boost::parameter::aux |
| |
| #endif // include guard |
| |