trivial: style fixes

Signed-off-by: Alexey Galakhov <agalakhov@snapview.de>

src/handshake/client.rs

@@ -52,7 +52,7 @@ impl<'t> Request<'t> {
 
     /// Adds a custom header to the request.
     pub fn add_header(&mut self, name: Cow<'t, str>, value: Cow<'t, str>) {
-        let mut headers = self.extra_headers.take().unwrap_or(vec![]);
+        let mut headers = self.extra_headers.take().unwrap_or_else(Vec::new);
         headers.push((name, value));
         self.extra_headers = Some(headers);
     }
@@ -113,7 +113,7 @@ impl<S: Read + Write> ClientHandshake<S> {
         };
 
         trace!("Client handshake initiated.");
-        MidHandshake { role: client, machine: machine }
+        MidHandshake { role: client, machine }
     }
 }
 

src/handshake/headers.rs

@@ -28,7 +28,7 @@ impl Headers {
     /// Iterate over all headers with the given name.
     pub fn find<'headers, 'name>(&'headers self, name: &'name str) -> HeadersIter<'name, 'headers> {
         HeadersIter {
-            name: name,
+            name,
             iter: self.data.iter()
         }
     }

src/handshake/machine.rs

@@ -16,14 +16,14 @@ impl<Stream> HandshakeMachine<Stream> {
     /// Start reading data from the peer.
     pub fn start_read(stream: Stream) -> Self {
         HandshakeMachine {
-            stream: stream,
+            stream,
             state: HandshakeState::Reading(InputBuffer::with_capacity(MIN_READ)),
         }
     }
     /// Start writing data to the peer.
     pub fn start_write<D: Into<Vec<u8>>>(stream: Stream, data: D) -> Self {
         HandshakeMachine {
-            stream: stream,
+            stream,
             state: HandshakeState::Writing(Cursor::new(data.into())),
         }
     }

src/handshake/mod.rs

@@ -110,7 +110,7 @@ pub enum ProcessingResult<Stream, FinalResult> {
 fn convert_key(input: &[u8]) -> Result<String, Error> {
     // ... field is constructed by concatenating /key/ ...
     // ... with the string "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" (RFC 6455)
-    const WS_GUID: &'static [u8] = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+    const WS_GUID: &[u8] = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
     let mut sha1 = Sha1::default();
     sha1.input(input);
     sha1.input(WS_GUID);

src/protocol/frame/frame.rs

@@ -296,7 +296,7 @@ impl Frame {
                 let code = NetworkEndian::read_u16(&data[0..2]).into();
                 data.drain(0..2);
                 let text = String::from_utf8(data)?;
-                Ok(Some(CloseFrame { code: code, reason: text.into() }))
+                Ok(Some(CloseFrame { code, reason: text.into() }))
             }
         }
     }
@@ -357,7 +357,7 @@ impl Frame {
 
         Frame {
             header: FrameHeader::default(),
-            payload: payload,
+            payload,
         }
     }
 

src/protocol/frame/mod.rs

@@ -30,7 +30,7 @@ impl<Stream> FrameSocket<Stream> {
     /// Create a new frame socket.
     pub fn new(stream: Stream) -> Self {
         FrameSocket {
-            stream: stream,
+            stream,
             in_buffer: InputBuffer::with_capacity(MIN_READ),
             out_buffer: Vec::new(),
             header: None,
@@ -40,7 +40,7 @@ impl<Stream> FrameSocket<Stream> {
     /// Create a new frame socket from partially read data.
     pub fn from_partially_read(stream: Stream, part: Vec<u8>) -> Self {
         FrameSocket {
-            stream: stream,
+            stream,
             in_buffer: InputBuffer::from_partially_read(part),
             out_buffer: Vec::new(),
             header: None,

src/protocol/mod.rs

@@ -116,13 +116,13 @@ impl<Stream> WebSocket<Stream> {
         config: Option<WebSocketConfig>
     ) -> Self {
         WebSocket {
-            role: role,
+            role,
-            socket: socket,
+            socket,
             state: WebSocketState::Active,
             incomplete: None,
             send_queue: VecDeque::new(),
             pong: None,
-            config: config.unwrap_or_else(|| WebSocketConfig::default()),
+            config: config.unwrap_or_else(WebSocketConfig::default),
         }
     }
 }