clippy: fix warnings

src/protocol/frame/frame.rs

@@ -283,7 +283,7 @@ impl Frame {
 
     /// Get frame payload as `&str`.
     #[inline]
-    pub fn to_text<'a>(&'a self) -> Result<&'a str, Utf8Error> {
+    pub fn to_text(&self) -> Result<&str, Utf8Error> {
         std::str::from_utf8(&self.payload)
     }
 

src/protocol/frame/mask.rs

@@ -23,8 +23,8 @@ fn apply_mask_fallback(buf: &mut [u8], mask: [u8; 4]) {
 pub fn apply_mask_fast32(buf: &mut [u8], mask: [u8; 4]) {
     let mask_u32 = u32::from_ne_bytes(mask);
 
-    let (mut prefix, words, mut suffix) = unsafe { buf.align_to_mut::<u32>() };
-    apply_mask_fallback(&mut prefix, mask);
+    let (prefix, words, suffix) = unsafe { buf.align_to_mut::<u32>() };
+    apply_mask_fallback(prefix, mask);
     let head = prefix.len() & 3;
     let mask_u32 = if head > 0 {
         if cfg!(target_endian = "big") {
@@ -38,7 +38,7 @@ pub fn apply_mask_fast32(buf: &mut [u8], mask: [u8; 4]) {
     for word in words.iter_mut() {
         *word ^= mask_u32;
     }
-    apply_mask_fallback(&mut suffix, mask_u32.to_ne_bytes());
+    apply_mask_fallback(suffix, mask_u32.to_ne_bytes());
 }
 
 #[cfg(test)]

src/protocol/mod.rs

@@ -253,7 +253,7 @@ impl WebSocketContext {
             incomplete: None,
             send_queue: VecDeque::new(),
             pong: None,
-            config: config.unwrap_or_else(WebSocketConfig::default),
+            config: config.unwrap_or_default(),
         }
     }