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boost/utility.hpp: - Include boost/utility/addressof.hpp

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boost/utility/addressof.hpp:
  - addressof() implementation

libs/utility/utility.htm:
  - Document addressof

libs/utility/addressof_test.cpp:
  - Test addressof()

[SVN r13414]
This commit is contained in:
Douglas Gregor
2002-04-10 03:31:18 +00:00
committed by Peter Dimov
parent 7cc6436afc
commit 380e34f2be
2 changed files with 99 additions and 0 deletions
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53
include/boost/utility/addressof.hpp Normal file
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// Copyright (C) 2002 Brad King (brad.king@kitware.com)
// Doug Gregor (gregod@cs.rpi.edu)
//
// Permission to copy, use, sell and distribute this software is granted
// provided this copyright notice appears in all copies.
// Permission to modify the code and to distribute modified code is granted
// provided this copyright notice appears in all copies, and a notice
// that the code was modified is included with the copyright notice.
//
// This software is provided "as is" without express or implied warranty,
// and with no claim as to its suitability for any purpose.
// For more information, see http://www.boost.org
#ifndef BOOST_UTILITY_ADDRESSOF_HPP
#define BOOST_UTILITY_ADDRESSOF_HPP
namespace boost {
template <typename T>
inline T* addressof(T& v)
{
struct addressof_helper {};
return reinterpret_cast<T*>(&reinterpret_cast<addressof_helper&>(v));
}
template <typename T>
inline const T* addressof(const T& v)
{
struct addressof_helper {};
return reinterpret_cast<const T*>(
&reinterpret_cast<const addressof_helper&>(v));
}
template <typename T>
inline volatile T* addressof(volatile T& v)
{
struct addressof_helper {};
return reinterpret_cast<volatile T*>(
&reinterpret_cast<volatile addressof_helper&>(v));
}
template <typename T>
inline const volatile T* addressof(const volatile T& v)
{
struct addressof_helper {};
return reinterpret_cast<const volatile T*>(
&reinterpret_cast<const volatile addressof_helper&>(v));
}
}
#endif // BOOST_UTILITY_ADDRESSOF_HPP