/* list of functions executed when the actor dies */
std::shared_ptr<std::vector<std::function<void(bool)>>> on_exit =
std::make_shared<std::vector<std::function<void(bool)>>>();
/* list of functions executed when the actor dies */
std::shared_ptr<std::vector<std::function<void(bool)>>> on_exit =
std::make_shared<std::vector<std::function<void(bool)>>>();