ceph/src/boost/boost/parameter/aux_/void.hpp

   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