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 | |