cuda_toolkit/include/thrust/addressof.h

// Copyright (c) 2018 NVIDIA Corporation
// Author: Bryce Adelstein Lelbach <brycelelbach@gmail.com>
//
// Distributed under the Boost Software License v1.0 (boost.org/LICENSE_1_0.txt)

#pragma once

#include <thrust/detail/config.h>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

#if THRUST_CPP_DIALECT >= 2011
#  include <thrust/detail/memory_wrapper.h>
#endif

THRUST_NAMESPACE_BEGIN

///////////////////////////////////////////////////////////////////////////////

/*! Obtains the actual address of the object or function arg, even in presence of overloaded operator&.
 */
template <typename T>
__host__ __device__
T* addressof(T& arg)
{
  return reinterpret_cast<T*>(
    &const_cast<char&>(reinterpret_cast<const volatile char&>(arg))
  );
}

///////////////////////////////////////////////////////////////////////////////

THRUST_NAMESPACE_END