63e88f80
 Hu Chunming
提交三方库
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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2014-2015. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_MOVE_DETAIL_ADDRESSOF_HPP
#define BOOST_MOVE_DETAIL_ADDRESSOF_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/move/detail/workaround.hpp>
namespace boost {
namespace move_detail {
#if defined(BOOST_MSVC_FULL_VER) && BOOST_MSVC_FULL_VER >= 190024215
#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
#elif defined(BOOST_GCC) && BOOST_GCC >= 70000
#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
#elif defined(__has_builtin)
#if __has_builtin(__builtin_addressof)
#define BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
#endif
#endif
#ifdef BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
template<class T>
BOOST_MOVE_FORCEINLINE T *addressof( T & v ) BOOST_NOEXCEPT
{
return __builtin_addressof(v);
}
#else //BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
template <typename T>
BOOST_MOVE_FORCEINLINE T* addressof(T& obj)
{
return static_cast<T*>(
static_cast<void*>(
const_cast<char*>(
&reinterpret_cast<const volatile char&>(obj)
)));
}
#endif //BOOST_MOVE_HAS_BUILTIN_ADDRESSOF
} //namespace move_detail {
} //namespace boost {
#endif //#ifndef BOOST_MOVE_DETAIL_ADDRESSOF_HPP
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