62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2014-2015. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_MOVE_DETAIL_ADDRESSOF_HPP
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#define BOOST_MOVE_DETAIL_ADDRESSOF_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/move/detail/workaround.hpp>
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namespace boost {
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namespace move_detail {
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#if defined(BOOST_MSVC_FULL_VER) && BOOST_MSVC_FULL_VER >= 190024215
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#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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#elif defined(BOOST_GCC) && BOOST_GCC >= 70000
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#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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#elif defined(__has_builtin)
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#if __has_builtin(__builtin_addressof)
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#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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#endif
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#endif
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#ifdef BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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template<class T>
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BOOST_MOVE_FORCEINLINE T *addressof( T & v ) BOOST_NOEXCEPT
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{
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return __builtin_addressof(v);
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}
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#else //BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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template <typename T>
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BOOST_MOVE_FORCEINLINE T* addressof(T& obj)
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{
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return static_cast<T*>(
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static_cast<void*>(
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const_cast<char*>(
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&reinterpret_cast<const volatile char&>(obj)
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)));
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}
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#endif //BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
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} //namespace move_detail {
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} //namespace boost {
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#endif //#ifndef BOOST_MOVE_DETAIL_ADDRESSOF_HPP
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