29         let res = rx.send(change).await;  in main()  localVariable
30         println!("{:?}", res);  in main()
34         let res = rx.send(change).await;  in main()  localVariable
35         println!("{:?}", res);  in main()
39         let res = rx.send(change).await;  in main()  localVariable
40         println!("{:?}", res);  in main()
45         let res = rx.send(change).await;  in main()  localVariable
46         println!("{:?}", res);  in main()
52         let res = rx.send(change).await;  in main()  localVariable
53         println!("{:?}", res);  in main()
58         let res = rx.send(change).await;  in main()  localVariable
59         println!("{:?}", res);  in main()