// Copyright David Abrahams, Daniel Wallin 2003.
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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_AUX_PACK_AS_PARAMETER_REQUIREMENTS_HPP
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#define BOOST_PARAMETER_AUX_PACK_AS_PARAMETER_REQUIREMENTS_HPP
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#include <boost/parameter/aux_/pack/parameter_requirements.hpp>
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#include <boost/parameter/aux_/pack/tag_type.hpp>
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#include <boost/parameter/aux_/pack/predicate.hpp>
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#include <boost/parameter/deduced.hpp>
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namespace boost { namespace parameter { namespace aux {
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// Converts a ParameterSpec into a specialization of
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// parameter_requirements. We need to do this in order to get the
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// tag_type into the type in a way that can be conveniently matched
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// by a satisfies(...) member function in arg_list.
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template <typename ParameterSpec>
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struct as_parameter_requirements
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{
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typedef ::boost::parameter::aux::parameter_requirements<
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typename ::boost::parameter::aux::tag_type<ParameterSpec>::type
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, typename ::boost::parameter::aux::predicate<ParameterSpec>::type
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, ::boost::parameter::aux::has_default<ParameterSpec>
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> type;
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};
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}}} // namespace boost::parameter::aux
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#endif // include guard
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