1 
2 #ifndef BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
3 #define BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
4 
5 // Copyright Aleksey Gurtovoy 2003-2004
6 //
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 //
11 // See http://www.boost.org/libs/mpl for documentation.
12 
13 // $Id: ptr_to_ref.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
15 // $Revision: 49267 $
16 
17 #include <boost/mpl/aux_/static_cast.hpp>
18 #include <boost/mpl/aux_/config/msvc.hpp>
19 #include <boost/mpl/aux_/config/workaround.hpp>
20 
21 
22 #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
23     ||  ( BOOST_WORKAROUND(__EDG_VERSION__, <= 245) \
24         && !(defined(__STD_STRICT_ANSI) \
25             || defined(__STD_STRICT_ANSI_ERRORS)) )
26 
27 #   define BOOST_MPL_AUX_PTR_TO_REF(X) \
28     *BOOST_MPL_AUX_STATIC_CAST(X*, 0) \
29 /**/
30 
31 #else
32 
33 #   define BOOST_MPL_AUX_PTR_TO_REF(X) \
34     aux::ptr_to_ref(BOOST_MPL_AUX_STATIC_CAST(X*, 0)) \
35 /**/
36 
37 #endif
38 
39 
40 namespace boost { namespace mpl { namespace aux {
41 
42 template< typename T > static T const& ptr_to_ref(T*);
43 
44 }}}
45 
46 #endif // BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
47