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Workaround VC7 bug which strips const from nested classes

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[SVN r16797]
This commit is contained in:
Dave Abrahams 2003-01-08 17:21:10 +00:00
parent d429c9a7d8
commit 119c64be0b
1 changed files with 14 additions and 2 deletions
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16
include/boost/utility/addressof.hpp
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@ -14,13 +14,25 @@
// For more information, see http://www.boost.org
#ifndef BOOST_UTILITY_ADDRESSOF_HPP
#define BOOST_UTILITY_ADDRESSOF_HPP
# define BOOST_UTILITY_ADDRESSOF_HPP
# include <boost/config.hpp>
# include <boost/detail/workaround.hpp>
# if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
# include <boost/type_traits/add_pointer.hpp>
# endif
namespace boost {
// Do not make addressof() inline. Breaks MSVC 7. (Peter Dimov)
template <typename T> T* addressof(T& v)
// VC7 strips const from nested classes unless we add indirection here
# if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
template <typename T> typename add_pointer<T>::type
# else
template <typename T> T*
# endif
addressof(T& v)
{
return reinterpret_cast<T*>(
&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));