added some creature comforts and cleaned logging

sparse-c2/sparse-c2-client/src/main.rs

@@ -138,7 +138,7 @@ async fn main() -> anyhow::Result<()> {
             loop {
                 let mut buffer = String::new();
                 match selected_beacon {
-                    Some(ref bid) => print!("{} >", bid.0),
+                    Some(ref bid) => print!("{} > ", bid.0),
                     None => print!("> "),
                 };
                 stdout.flush()?;
@@ -156,15 +156,7 @@ async fn main() -> anyhow::Result<()> {
                     }
                     Some("select") => {
                         let beacon = items.next();
-
-                        match beacon {
-                            Some(bid) => {
-                                selected_beacon = Some(BeaconId(bid.to_owned()));
-                            }
-                            None => {
-                                eprintln!("No beacon ID selected")
-                            }
-                        }
+                        selected_beacon = beacon.map(ToOwned::to_owned).map(BeaconId);
                     }
                     Some("cmd") => {
                         let parts = items.collect::<Vec<_>>();