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