| // 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_ITEM_HPP |
| #define BOOST_PARAMETER_AUX_PACK_ITEM_HPP |
| |
| #include <boost/parameter/aux_/void.hpp> |
| #include <boost/config.hpp> |
| #include <boost/config/workaround.hpp> |
| |
| #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| #include <boost/type_traits/is_const.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| #endif |
| |
| namespace boost { namespace parameter { namespace aux { |
| |
| // A parameter spec item typelist. |
| template < |
| typename Spec |
| , typename Arg |
| , typename Tail = ::boost::parameter::void_ |
| > |
| struct item |
| { |
| typedef Spec spec; |
| #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| typedef ::boost::is_const< |
| typename ::boost::remove_reference<Arg>::type |
| > is_arg_const; |
| #endif |
| typedef Arg arg; |
| typedef Tail tail; |
| }; |
| |
| template <typename Spec, typename Arg, typename Tail> |
| struct make_item |
| { |
| typedef boost::parameter::aux |
| ::item<Spec,Arg,typename Tail::type> type; |
| }; |
| }}} // namespace boost::parameter::aux |
| |
| #endif // include guard |
| |