if((*j)->can_create() && (*j)->check_type<NCT>())
(*j)->create_item(*this, name);
- return *get_item(items, name).value<RefPtr<NCT> >();
+ NCT *ptr = get_item(items, name).value<RefPtr<NCT> >().get();
+ if(!ptr)
+ throw key_error(typeid(ItemMap));
+ return *ptr;
}
template<typename T>