initialized()
{
#if BOOST_DETAIL_VALUE_INIT_WORKAROUND
std::memset(&x, 0, sizeof(x));
#endif
new (wrapper_address()) wrapper();
}
value_initialized & operator=(value_initialized const & arg)
{
// Assignment is only allowed when T is non-const.
BOOST_STATIC_ASSERT( ! is_const<T>::value );
*wrapper_address() = static_cast<wrapper const &>(*(arg.wrapper_address()));
return *this;
}
value_initialized()
{
std::memset(&x, 0, sizeof(x));
#ifdef BOOST_MSVC
#pragma warning(push)
#if _MSC_VER >= 1310
// When using MSVC 7.1 or higher, the following placement new expression may trigger warning C4345:
// "behavior change: an object of POD type constructed with an initializer of the form ()
// will be default-initialized". It is safe to ignore this warning when using value_initialized.
#pragma warning(disable: 4345)
#endif
#endif
new (wrapper_address()) wrapper();
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
}
value_initialized(value_initialized const & arg)
{
new (wrapper_address()) wrapper( static_cast<wrapper const &>(*(arg.wrapper_address())));
}
operator T&()
{
return wrapper_address()->data;
}
operator T const &() const
{
return wrapper_address()->data;
}
T& data()
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
explicit initialized(T const & arg)
{
new (wrapper_address()) wrapper(arg);
}
BOOST_GPU_ENABLED
operator T const &() const
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
operator T&()
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
T& data()
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
T const & data() const
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
~initialized()
{
wrapper_address()->wrapper::~wrapper();
}
~value_initialized()
{
wrapper_address()->wrapper::~wrapper();
}
explicit initialized(T const & arg)
{
new (wrapper_address()) wrapper(arg);
}
T& data() const
{
return wrapper_address()->data;
}
BOOST_GPU_ENABLED
initialized(initialized const & arg)
{
new (wrapper_address()) wrapper( static_cast<wrapper const &>(*(arg.wrapper_address())));
}
