| 1 | // Copyright Daniel Wallin, David Abrahams 2005. |
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | #ifndef BOOST_PARAMETER_VOID_050329_HPP |
| 7 | #define BOOST_PARAMETER_VOID_050329_HPP |
| 8 | |
| 9 | namespace boost { namespace parameter { |
| 10 | |
| 11 | // A placemarker for "no argument passed." |
| 12 | // MAINTAINER NOTE: Do not make this into a metafunction |
| 13 | struct void_ |
| 14 | { |
| 15 | }; |
| 16 | }} // namespace boost::parameter |
| 17 | |
| 18 | namespace boost { namespace parameter { namespace aux { |
| 19 | |
| 20 | inline ::boost::parameter::void_& void_reference() |
| 21 | { |
| 22 | static ::boost::parameter::void_ instance; |
| 23 | return instance; |
| 24 | } |
| 25 | }}} // namespace boost::parameter::aux |
| 26 | |
| 27 | #include <boost/config/workaround.hpp> |
| 28 | |
| 29 | #if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580)) |
| 30 | |
| 31 | namespace boost { namespace parameter { namespace aux { |
| 32 | |
| 33 | typedef void* voidstar; |
| 34 | }}} // namespace boost::parameter::aux |
| 35 | |
| 36 | #endif |
| 37 | #endif // include guard |
| 38 | |
| 39 | |