Fix clippy warnings

.vscode/settings.json

@@ -1,5 +1,4 @@
 {
-    "rust-analyzer.showUnlinkedFileNotification": false,
     "files.exclude": {
         "target/": true,
     },
@@ -33,4 +32,6 @@
         }
     ],
     "rust-analyzer.cargo.features": "all",
+    "rust-analyzer.check.command": "clippy",
+    "rust-analyzer.showUnlinkedFileNotification": false,
 }

src/function/custom/mod.rs

@@ -1130,13 +1130,13 @@ pub struct CtrlSender<'a> {
     custom: &'a mut Custom,
 }
 
-impl<'a> fmt::Debug for CtrlSender<'a> {
+impl fmt::Debug for CtrlSender<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.debug_struct("CtrlSender").field("ctrl_req", &self.ctrl_req).finish()
     }
 }
 
-impl<'a> CtrlSender<'a> {
+impl CtrlSender<'_> {
     /// The control request.
     pub const fn ctrl_req(&self) -> &CtrlReq {
         &self.ctrl_req
@@ -1180,7 +1180,7 @@ impl<'a> CtrlSender<'a> {
     }
 }
 
-impl<'a> Drop for CtrlSender<'a> {
+impl Drop for CtrlSender<'_> {
     fn drop(&mut self) {
         if self.custom.setup_event.is_some() {
             let _ = self.do_halt();
@@ -1196,13 +1196,13 @@ pub struct CtrlReceiver<'a> {
     custom: &'a mut Custom,
 }
 
-impl<'a> fmt::Debug for CtrlReceiver<'a> {
+impl fmt::Debug for CtrlReceiver<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.debug_struct("CtrlReceiver").field("ctrl_req", &self.ctrl_req).finish()
     }
 }
 
-impl<'a> CtrlReceiver<'a> {
+impl CtrlReceiver<'_> {
     /// The control request.
     pub const fn ctrl_req(&self) -> &CtrlReq {
         &self.ctrl_req
@@ -1253,7 +1253,7 @@ impl<'a> CtrlReceiver<'a> {
     }
 }
 
-impl<'a> Drop for CtrlReceiver<'a> {
+impl Drop for CtrlReceiver<'_> {
     fn drop(&mut self) {
         if self.custom.setup_event.is_some() {
             let _ = self.do_halt();

src/function/util.rs

@@ -208,7 +208,7 @@ impl FunctionDir {
     /// Create a subdirectory and its parent directories.
     pub fn create_dir_all(&self, name: impl AsRef<Path>) -> Result<()> {
         let path = self.property_path(name)?;
-        log::debug!("creating directorys {}", path.display());
+        log::debug!("creating directories {}", path.display());
         fs::create_dir_all(path)
     }
 

src/function/video.rs

@@ -180,7 +180,7 @@ impl UvcFrame {
     }
 
     fn path(&self) -> PathBuf {
-        self.format.group_path().join(&self.dir_name())
+        self.format.group_path().join(self.dir_name())
     }
 
     /// Create a new UVC frame with the specified properties.