// Copyright Daniel Wallin, David Abrahams 2005.
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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_PARAMETER_REQUIREMENTS_HPP
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#define BOOST_PARAMETER_AUX_PACK_PARAMETER_REQUIREMENTS_HPP
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namespace boost { namespace parameter { namespace aux {
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// Used to pass static information about parameter requirements through
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// the satisfies() overload set (below). The matched function is never
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// invoked, but its type indicates whether a parameter matches at
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// compile-time.
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template <typename Keyword, typename Predicate, typename HasDefault>
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struct parameter_requirements
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{
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typedef Keyword keyword;
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typedef Predicate predicate;
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typedef HasDefault has_default;
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};
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}}} // namespace boost::parameter::aux
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#endif // include guard
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