Add explanatory comments to exercise 258

e_258/src/main.rs

@@ -87,12 +87,14 @@ const REAL_NAME: &str = "dailyprog_2851";
 
 fn main() -> Result<(), Box<dyn Error>> {
     let mut stream = TcpStream::connect(SERVER)?;
+    // Send initial NICK and USER commands
     stream.write_all((String::from("NICK ") + NICK + "\r\n").as_bytes())?;
     stream.write_all(
         (String::from("USER ") + USER_NAME + " 0 * :" + REAL_NAME + "\r\n").as_bytes(),
     )?;
     let mut reader = BufReader::new(stream);
     let mut line = String::new();
+    // Loop indefinitely, printing any incoming messages to stdout and responding to PINGs
     loop {
         reader.read_line(&mut line)?;
         println!("{}", &line);