| // 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_DEDUCED_ITEM_HPP |
| #define BOOST_PARAMETER_AUX_PACK_DEDUCED_ITEM_HPP |
| |
| #include <boost/parameter/aux_/void.hpp> |
| |
| namespace boost { namespace parameter { namespace aux { |
| |
| // A typelist that stored deduced parameter specs. |
| template < |
| typename ParameterSpec |
| , typename Tail = ::boost::parameter::void_ |
| > |
| struct deduced_item |
| { |
| typedef ParameterSpec spec; |
| typedef Tail tail; |
| }; |
| |
| // Evaluate Tail and construct deduced_item list. |
| template <typename Spec, typename Tail> |
| struct make_deduced_item |
| { |
| typedef ::boost::parameter::aux |
| ::deduced_item<Spec,typename Tail::type> type; |
| }; |
| }}} // namespace boost::parameter::aux |
| |
| #endif // include guard |
| |