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>
construct_pointee(void * storage,Arg & x,T const volatile *)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>
construct_referent_impl(void * storage,Arg & x,T & (*)())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>
construct_referent(void * storage,Arg const & x,T (* tag)()=0)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>
construct_referent(void * storage,Arg & x,T (* tag)()=0)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
37