void set_arg(size_t index, const memory_object &mem)
{
set_arg<cl_mem>(index, mem.get());
}
/// \internal_
///
/// specialization for buffer, image2d and image3d
void set_arg(size_t index, const memory_object &mem)
{
BOOST_ASSERT(mem.get_context() == this->get_context());
set_arg(index, sizeof(cl_mem), static_cast<const void *>(&mem.get()));
}