Fix various clippy warnings

examples/autobahn-client.rs

@@ -3,7 +3,7 @@ use futures::{SinkExt, StreamExt};
 use log::*;
 use url::Url;
 
-const AGENT: &'static str = "Tungstenite";
+const AGENT: &str = "Tungstenite";
 
 async fn get_case_count() -> Result<u32> {
     let (mut socket, _) =
@@ -48,7 +48,7 @@ async fn run() {
 
     let total = get_case_count().await.unwrap();
 
-    for case in 1..(total + 1) {
+    for case in 1..=total {
         run_test(case).await
     }
 

examples/client.rs

@@ -38,7 +38,7 @@ async fn run() {
 
     let (write, read) = ws_stream.split();
 
-    let stdin_to_ws = stdin_rx.map(|msg| Ok(msg)).forward(write);
+    let stdin_to_ws = stdin_rx.map(Ok).forward(write);
     let ws_to_stdout = {
         read.for_each(|message| {
             async {

examples/echo-server.rs

@@ -17,7 +17,9 @@ use log::info;
 
 async fn run() -> Result<(), Error> {
     let _ = env_logger::try_init();
-    let addr = env::args().nth(1).unwrap_or("127.0.0.1:8080".to_string());
+    let addr = env::args()
+        .nth(1)
+        .unwrap_or_else(|| "127.0.0.1:8080".to_string());
     let addr = addr
         .to_socket_addrs()
         .await

src/connect.rs

@@ -50,7 +50,7 @@ pub(crate) mod encryption {
             Mode::Tls => {
                 #[cfg(feature = "tls")]
                 let stream = {
-                    let connector = connector.unwrap_or_else(|| AsyncTlsConnector::new());
+                    let connector = connector.unwrap_or_else(AsyncTlsConnector::new);
                     connector.connect(&domain, socket)?.await?
                 };
                 #[cfg(feature = "native-tls")]