Fix various clippy warnings

examples/autobahn-client.rs

@@ -3,7 +3,7 @@ use url::Url;
 
 use tungstenite::{connect, Error, Message, Result};
 
-const AGENT: &'static str = "Tungstenite";
+const AGENT: &str = "Tungstenite";
 
 fn get_case_count() -> Result<u32> {
     let (mut socket, _) = connect(Url::parse("ws://localhost:9001/getCaseCount").unwrap())?;
@@ -47,7 +47,7 @@ fn main() {
 
     let total = get_case_count().unwrap();
 
-    for case in 1..(total + 1) {
+    for case in 1..=total {
         if let Err(e) = run_test(case) {
             match e {
                 Error::Protocol(_) => {}

src/handshake/client.rs

@@ -257,13 +257,13 @@ mod tests {
         assert_eq!(k2.len(), 24);
         assert!(k1.ends_with("=="));
         assert!(k2.ends_with("=="));
-        assert!(k1[..22].find("=").is_none());
-        assert!(k2[..22].find("=").is_none());
+        assert!(k1[..22].find('=').is_none());
+        assert!(k2[..22].find('=').is_none());
     }
 
     #[test]
     fn response_parsing() {
-        const DATA: &'static [u8] = b"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
+        const DATA: &[u8] = b"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
         let (_, resp) = Response::try_parse(DATA).unwrap().unwrap();
         assert_eq!(resp.status(), http::StatusCode::OK);
         assert_eq!(

src/handshake/headers.rs

@@ -48,7 +48,7 @@ mod tests {
 
     #[test]
     fn headers() {
-        const DATA: &'static [u8] = b"Host: foo.com\r\n\
+        const DATA: &[u8] = b"Host: foo.com\r\n\
              Connection: Upgrade\r\n\
              Upgrade: websocket\r\n\
              \r\n";
@@ -60,7 +60,7 @@ mod tests {
 
     #[test]
     fn headers_iter() {
-        const DATA: &'static [u8] = b"Host: foo.com\r\n\
+        const DATA: &[u8] = b"Host: foo.com\r\n\
               Sec-WebSocket-Extensions: permessage-deflate\r\n\
               Connection: Upgrade\r\n\
               Sec-WebSocket-ExtenSIONS: permessage-unknown\r\n\
@@ -75,7 +75,7 @@ mod tests {
 
     #[test]
     fn headers_incomplete() {
-        const DATA: &'static [u8] = b"Host: foo.com\r\n\
+        const DATA: &[u8] = b"Host: foo.com\r\n\
               Connection: Upgrade\r\n\
               Upgrade: websocket\r\n";
         let hdr = HeaderMap::try_parse(DATA).unwrap();

src/handshake/server.rs

@@ -295,7 +295,7 @@ mod tests {
 
     #[test]
     fn request_parsing() {
-        const DATA: &'static [u8] = b"GET /script.ws HTTP/1.1\r\nHost: foo.com\r\n\r\n";
+        const DATA: &[u8] = b"GET /script.ws HTTP/1.1\r\nHost: foo.com\r\n\r\n";
         let (_, req) = Request::try_parse(DATA).unwrap().unwrap();
         assert_eq!(req.uri().path(), "/script.ws");
         assert_eq!(req.headers().get("Host").unwrap(), &b"foo.com"[..]);
@@ -303,7 +303,7 @@ mod tests {
 
     #[test]
     fn request_replying() {
-        const DATA: &'static [u8] = b"\
+        const DATA: &[u8] = b"\
             GET /script.ws HTTP/1.1\r\n\
             Host: foo.com\r\n\
             Connection: upgrade\r\n\

src/protocol/message.rs

@@ -343,7 +343,7 @@ mod tests {
 
     #[test]
     fn display() {
-        let t = Message::text(format!("test"));
+        let t = Message::text("test".to_owned());
         assert_eq!(t.to_string(), "test".to_owned());
 
         let bin = Message::binary(vec![0, 1, 3, 4, 241]);

src/protocol/mod.rs

@@ -592,7 +592,7 @@ enum WebSocketState {
 
 impl WebSocketState {
     /// Tell if we're allowed to process normal messages.
-    fn is_active(&self) -> bool {
+    fn is_active(self) -> bool {
         match self {
             WebSocketState::Active => true,
             _ => false,
@@ -602,7 +602,7 @@ impl WebSocketState {
     /// Tell if we should process incoming data. Note that if we send a close frame
     /// but the remote hasn't confirmed, they might have sent data before they receive our
     /// close frame, so we should still pass those to client code, hence ClosedByUs is valid.
-    fn can_read(&self) -> bool {
+    fn can_read(self) -> bool {
         match self {
             WebSocketState::Active | WebSocketState::ClosedByUs => true,
             _ => false,
@@ -610,7 +610,7 @@ impl WebSocketState {
     }
 
     /// Check if the state is active, return error if not.
-    fn check_active(&self) -> Result<()> {
+    fn check_active(self) -> Result<()> {
         match self {
             WebSocketState::Terminated => Err(Error::AlreadyClosed),
             _ => Ok(()),