async fn stopping(&mut self) -> ActorAction {
        println!("Service is stopping");
        // We could've ignored the stop request by returning `ActorAction::KeepRunning`.
        ActorAction::Stop
    }
// `stopping` method will be invoked when the actor will be requested
// to stop its execution.
`stopping` method will be invoked when the actor will be requested
to stop its execution.
` stopping ` method will be invoked when the actor will be requested to stop its execution .
async fn stopping(&mut self) -> ActorAction {
        println!("Service is stopping");
        // We could've ignored the stop request by returning `ActorAction::KeepRunning`.
        ActorAction::Stop
    }
async fn stopping ( & mut self ) -> ActorAction { println ! ( " " ) ; // We could've ignored the stop request by returning `ActorAction::KeepRunning`. ActorAction :: Stop }
`stopping` method will be invoked when the actor will be requested
to stop its execution.
` stopping ` method will be invoked when the actor will be requested to stop its execution .
&mut self
&mut self