mpl/aux_/ptr_to_ref.hpp

0001
0002 #ifndef BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
0003 #define BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2003-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/aux_/static_cast.hpp>
0018 #include <boost/mpl/aux_/config/msvc.hpp>
0019 #include <boost/mpl/aux_/config/workaround.hpp>
0020
0021
0022 #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
0023     ||  ( BOOST_WORKAROUND(__EDG_VERSION__, <= 245) \
0024         && !(defined(__STD_STRICT_ANSI) \
0025             || defined(__STD_STRICT_ANSI_ERRORS)) )
0026
0027 #   define BOOST_MPL_AUX_PTR_TO_REF(X) \
0028     *BOOST_MPL_AUX_STATIC_CAST(X*, 0) \
0029 /**/
0030
0031 #else
0032
0033 #   define BOOST_MPL_AUX_PTR_TO_REF(X) \
0034     aux::ptr_to_ref(BOOST_MPL_AUX_STATIC_CAST(X*, 0)) \
0035 /**/
0036
0037 #endif
0038
0039
0040 namespace boost { namespace mpl { namespace aux {
0041
0042 template< typename T > static T const& ptr_to_ref(T*);
0043
0044 }}}
0045
0046 #endif // BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED