Method createPolymorphic

plugin/include/bitsery/ext/pointer.h:56–59

                }

                static void createPolymorphic(T& obj, pointer_utils::PolyAllocWithTypeId alloc,
                                              const std::shared_ptr<PolymorphicHandlerBase>& handler) {
                    obj = static_cast<TElement*>(handler->create(alloc));
                }

                static void destroy(T& obj, pointer_utils::PolyAllocWithTypeId alloc, size_t typeId) {
                    alloc.deleteObject(obj, typeId);