| // Copyright Daniel Wallin, David Abrahams 2005. Use, modification and | |
| // distribution is subject to 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_VOID_050329_HPP | |
| #define BOOST_PARAMETER_VOID_050329_HPP | |
| namespace boost { namespace parameter { | |
| // A placemarker for "no argument passed." | |
| // MAINTAINER NOTE: Do not make this into a metafunction | |
| struct void_ {}; | |
| namespace aux | |
| { | |
| inline void_& void_reference() | |
| { | |
| static void_ instance; | |
| return instance; | |
| } | |
| } // namespace aux | |
| }} // namespace boost::parameter | |
| #endif // BOOST_PARAMETER_VOID_050329_HPP | |