Clean-up code style in 'lib/rocket.rs'.

lib/src/rocket.rs

@@ -43,9 +43,11 @@ impl hyper::Handler for Rocket {
     // `dispatch` function, which knows nothing about Hyper. Because responding
     // depends on the `HyperResponse` type, this function does the actual
     // response processing.
-    fn handle<'h, 'k>(&self,
-                      hyp_req: hyper::Request<'h, 'k>,
-                      res: hyper::FreshResponse<'h>) {
+    fn handle<'h, 'k>(
+        &self,
+        hyp_req: hyper::Request<'h, 'k>,
+        res: hyper::FreshResponse<'h>,
+    ) {
         // Get all of the information from Hyper.
         let (h_addr, h_method, h_headers, h_uri, _, h_body) = hyp_req.deconstruct();
 
@@ -111,14 +113,16 @@ impl Rocket {
     fn issue_response(&self, response: Response, hyp_res: hyper::FreshResponse) {
         match self.write_response(response, hyp_res) {
             Ok(_) => info_!("{}", Paint::green("Response succeeded.")),
-            Err(e) => error_!("Failed to write response: {:?}.", e)
+            Err(e) => error_!("Failed to write response: {:?}.", e),
         }
     }
 
     #[inline]
-    fn write_response(&self, mut response: Response,
-                      mut hyp_res: hyper::FreshResponse) -> io::Result<()>
-    {
+    fn write_response(
+        &self,
+        mut response: Response,
+        mut hyp_res: hyper::FreshResponse,
+    ) -> io::Result<()> {
         *hyp_res.status_mut() = hyper::StatusCode::from_u16(response.status().code);
 
         for header in response.headers().iter() {
@@ -178,9 +182,11 @@ impl Rocket {
         if let Some(current) = req.remote() {
             let ip = req.headers()
                 .get_one("X-Real-IP")
-                .and_then(|ip_str| ip_str.parse().map_err(|_| {
-                    warn_!("The 'X-Real-IP' header is malformed: {}", ip_str)
-                }).ok());
+                .and_then(|ip| {
+                    ip.parse()
+                        .map_err(|_| warn_!("'X-Real-IP' header is malformed: {}", ip))
+                        .ok()
+                });
 
             if let Some(ip) = ip {
                 req.set_remote(SocketAddr::new(ip, current.port()));
@@ -195,9 +201,8 @@ impl Rocket {
         if is_form && req.method() == Method::Post && data_len >= min_len {
             // We're only using this for comparison and throwing it away
             // afterwards, so it doesn't matter if we have invalid UTF8.
-            let form = unsafe {
-                from_utf8_unchecked(&data.peek()[..min(data_len, max_len)])
-            };
+            let form =
+                unsafe { from_utf8_unchecked(&data.peek()[..min(data_len, max_len)]) };
 
             if let Some((key, value)) = FormItems::from(form).next() {
                 if key == "_method" {
@@ -210,9 +215,11 @@ impl Rocket {
     }
 
     #[inline]
-    pub(crate) fn dispatch<'s, 'r>(&'s self,
-                                   request: &'r mut Request<'s>,
-                                   data: Data) -> Response<'r> {
+    pub(crate) fn dispatch<'s, 'r>(
+        &'s self,
+        request: &'r mut Request<'s>,
+        data: Data,
+    ) -> Response<'r> {
         info!("{}:", request);
 
         // Do a bit of preprocessing before routing; run the attached fairings.
@@ -235,9 +242,8 @@ impl Rocket {
                 // convince it to give us another mutable reference.
                 // TODO: Use something that is well defined, like UnsafeCell.
                 // But that causes variance issues...so wait for NLL.
-                let request: &'r mut Request<'s> = unsafe {
-                    (&mut *(request as *const _ as *mut _))
-                };
+                let request: &'r mut Request<'s> =
+                    unsafe { (&mut *(request as *const _ as *mut _)) };
 
                 // There was no matching route.
                 if request.method() == Method::Head {
@@ -273,9 +279,11 @@ impl Rocket {
     // (ensuring `handler` takes an immutable borrow), any caller to `route`
     // should be able to supply an `&mut` and retain an `&` after the call.
     #[inline]
-    pub(crate) fn route<'s, 'r>(&'s self,
-                                request: &'r Request<'s>,
-                                mut data: Data) -> handler::Outcome<'r> {
+    pub(crate) fn route<'s, 'r>(
+        &'s self,
+        request: &'r Request<'s>,
+        mut data: Data,
+    ) -> handler::Outcome<'r> {
         // Go through the list of matching routes until we fail or succeed.
         let matches = self.router.route(request);
         for route in matches {
@@ -290,7 +298,7 @@ impl Rocket {
             // to be forwarded. If it does, continue the loop to try again.
             info_!("{} {}", Paint::white("Outcome:"), outcome);
             match outcome {
-                o@Outcome::Success(_) | o @Outcome::Failure(_) => return o,
+                o@Outcome::Success(_) | o@Outcome::Failure(_) => return o,
                 Outcome::Forward(unused_data) => data = unused_data,
             };
         }
@@ -420,7 +428,7 @@ impl Rocket {
             default_catchers: catcher::defaults::get(),
             catchers: catcher::defaults::get(),
             state: Container::new(),
-            fairings: Fairings::new()
+            fairings: Fairings::new(),
         }
     }
 
@@ -666,23 +674,23 @@ impl Rocket {
         serve!(self, &full_addr, |server, proto| {
             let mut server = match server {
                 Ok(server) => server,
-                Err(e) => return LaunchError::from(e)
+                Err(e) => return LaunchError::from(e),
             };
 
             // Determine the address and port we actually binded to.
             match server.local_addr() {
                 Ok(server_addr) => self.config.port = server_addr.port(),
-                Err(e) => return LaunchError::from(e)
+                Err(e) => return LaunchError::from(e),
             }
 
             // Run the launch fairings.
             self.fairings.handle_launch(&self);
 
             let full_addr = format!("{}:{}", self.config.address, self.config.port);
-            launch_info!("🚀  {} {}{}",
-                  Paint::white("Rocket has launched from"),
-                  Paint::white(proto).bold(),
-                  Paint::white(&full_addr).bold());
+            launch_info!("🚀 {} {}{}",
+                         Paint::white("Rocket has launched from"),
+                         Paint::white(proto).bold(),
+                         Paint::white(&full_addr).bold());
 
             let threads = self.config.workers as usize;
             if let Err(e) = server.handle_threads(self, threads) {
@@ -727,7 +735,7 @@ impl Rocket {
     /// }
     /// ```
     #[inline(always)]
-    pub fn routes<'a>(&'a self) -> impl Iterator<Item=&'a Route> + 'a {
+    pub fn routes<'a>(&'a self) -> impl Iterator<Item = &'a Route> + 'a {
         self.router.routes()
     }
 

rustfmt.toml

@@ -1,2 +1,2 @@
-max_width = 85
+max_width = 90
 fn_call_width = 80