Added identify(...) utility, and clarified intent in some places using match.

src/data/message.rs

@@ -70,11 +70,12 @@ impl FromStr for Message {
         } else {
             None
         };
-        let command = if let Some(cmd) = state.find(' ').map(|i| s[..i]) {
+        let command = match state.find(' ').map(|i| s[..i]) {
+            Some(cmd) => {
                 state = state.find(' ').map_or("", |i| s[i..]);
                 cmd
-        } else {
-            return None
+            }
+            _ => return None
         };
         let args: Vec<_> = state.splitn(14, ' ').collect();
         Some(Message::new(prefix, command, if args.len() > 0 { Some(args) } else { None }, suffix))

src/server/mod.rs

@@ -86,7 +86,9 @@ impl<'a, T, U> ServerIterator<'a, T, U> where T: IrcWriter, U: IrcReader {
 impl<'a, T, U> Iterator<Message> for ServerIterator<'a, T, U> where T: IrcWriter, U: IrcReader {
     fn next(&mut self) -> Option<Message> {
         let line = self.server.conn.recv();
-        if let Err(_) = line { return None }
-        from_str(line.unwrap()[])
+        match line {
+            Err(_) => None,
+            Ok(msg) => from_str(msg[])
+        }
     }
 }

src/server/utils.rs

@@ -1,2 +1,13 @@
 //! Utilities and shortcuts for working with IRC servers
 #![experimental]
+
+use std::io::IoResult;
+use data::command::{NICK, USER};
+use data::kinds::{IrcReader, IrcWriter};
+use server::Server;
+
+/// Sends a NICK and USER to identify
+pub fn identify<'a, T, U>(server: &Server<'a, T, U>) -> IoResult<()> where T: IrcWriter, U: IrcReader {
+    try!(server.send(NICK(server.config().nickname[])));
+    server.send(USER(server.config().username[], "0", server.config().realname[]))
+}