ceph/src/boost/boost/python/detail/construct.hpp

   1 // Copyright David Abrahams 2002.
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5 #ifndef CONSTRUCT_REFERENCE_DWA2002716_HPP
   6 # define CONSTRUCT_REFERENCE_DWA2002716_HPP
   7
   8 namespace boost { namespace python { namespace detail {
   9
  10 template <class T, class Arg>
  11 void construct_pointee(void* storage, Arg& x, T const volatile*)
  12 {
  13     new (storage) T(x);
  14 }
  15
  16 template <class T, class Arg>
  17 void construct_referent_impl(void* storage, Arg& x, T&(*)())
  18 {
  19     construct_pointee(storage, x, (T*)0);
  20 }
  21
  22 template <class T, class Arg>
  23 void construct_referent(void* storage, Arg const& x, T(*tag)() = 0)
  24 {
  25     construct_referent_impl(storage, x, tag);
  26 }
  27
  28 template <class T, class Arg>
  29 void construct_referent(void* storage, Arg& x, T(*tag)() = 0)
  30 {
  31     construct_referent_impl(storage, x, tag);
  32 }
  33
  34 }}} // namespace boost::python::detail
  35
  36 #endif // CONSTRUCT_REFERENCE_DWA2002716_HPP