Added concept of bot ownership, improved failure propagation.

src/conn.rs

@@ -11,8 +11,7 @@ pub fn connect(host: &str, port: u16) -> IoResult<Connection> {
 fn send_internal(conn: &Connection, msg: &str) -> IoResult<()> {
     let &Connection(ref tcp) = conn;
     let mut writer = BufferedWriter::new(tcp.clone());
-    writer.write_str(msg);
-    writer.flush()
+    writer.write_str(msg)
 }
 
 pub fn send(conn: &Connection, msg: Message) -> IoResult<()> {

src/data.rs

@@ -20,6 +20,7 @@ impl<'a> Message<'a> {
 
 #[deriving(Decodable)]
 pub struct Config {
+    pub owners: Vec<String>,
     pub nickname: String,
     pub username: String,
     pub realname: String,
@@ -39,4 +40,8 @@ impl Config {
             detail: Some(e.to_string()),
         })
     }
+
+    pub fn is_owner(&self, nickname: &str) -> bool {
+        self.owners.as_slice().contains(&String::from_str(nickname))
+    }
 }

src/lib.rs

@@ -61,22 +61,23 @@ impl<'a> Bot<'a> {
     }
 
     pub fn identify(&self) -> IoResult<()> {
-        self.send_nick(self.config.nickname.as_slice());
+        try!(self.send_nick(self.config.nickname.as_slice()));
         self.send_user(self.config.username.as_slice(), self.config.realname.as_slice())
     }
 
-    pub fn output(&mut self) {
+    pub fn output(&mut self) -> IoResult<()> {
         let mut reader = { let Connection(ref tcp) = self.conn; BufferedReader::new(tcp.clone()) };
         for line in reader.lines() {
             match line {
                 Ok(ln) => {
-                    let (source, command, args) = process(ln.as_slice()).unwrap();
-                    self.handle_command(source, command, args.as_slice());
+                    let (source, command, args) = try!(process(ln.as_slice()));
+                    try!(self.handle_command(source, command, args.as_slice()));
                     println!("{}", ln)
                 },
                 Err(e) => println!("Shit, you're fucked! {}", e),
             }
         }
+        Ok(())
     }
 
     fn handle_command(&mut self, source: &str, command: &str, args: &[&str]) -> IoResult<()> {
@@ -137,7 +138,7 @@ impl<'a> Bot<'a> {
                 }
             },
             _ => {
-                (*self.process.borrow_mut().deref_mut())(self, source, command, args);
+                try!((*self.process.borrow_mut().deref_mut())(self, source, command, args));
             },
         };
         Ok(())