Merge pull request #123 from ithinuel/satisfy-clippy

Add Clippy checks

Author: ryan-summers

.github/workflows/rustfmt.yml

@@ -21,3 +21,7 @@ jobs:
         with:
           command: fmt
           args: --all -- --check
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: --all-features

src/descriptor.rs

@@ -292,9 +292,9 @@ impl DescriptorWriter<'_> {
     ///
     /// * `endpoint` - Endpoint previously allocated with
     ///   [`UsbBusAllocator`](crate::bus::UsbBusAllocator).
-    pub fn endpoint<'e, B: UsbBus, D: EndpointDirection>(
+    pub fn endpoint<B: UsbBus, D: EndpointDirection>(
         &mut self,
-        endpoint: &Endpoint<'e, B, D>,
+        endpoint: &Endpoint<'_, B, D>,
     ) -> Result<()> {
         self.endpoint_ex(endpoint, |_| Ok(0))
     }
@@ -310,9 +310,9 @@ impl DescriptorWriter<'_> {
     /// * `endpoint` - Endpoint previously allocated with
     ///   [`UsbBusAllocator`](crate::bus::UsbBusAllocator).
     /// * `f` - Callback for the extra data. See `write_with` for more information.
-    pub fn endpoint_ex<'e, B: UsbBus, D: EndpointDirection>(
+    pub fn endpoint_ex<B: UsbBus, D: EndpointDirection>(
         &mut self,
-        endpoint: &Endpoint<'e, B, D>,
+        endpoint: &Endpoint<'_, B, D>,
         f: impl FnOnce(&mut [u8]) -> Result<usize>,
     ) -> Result<()> {
         match self.num_endpoints_mark {

src/device.rs

@@ -366,12 +366,10 @@ impl<B: UsbBus> UsbDevice<'_, B> {
                     // Ask class implementations, whether they know the alternate setting
                     // of the interface in question
                     for cls in classes {
-                        match cls.get_alt_setting(InterfaceNumber(req.index as u8)) {
-                            Some(setting) => {
-                                xfer.accept_with(&setting.to_le_bytes()).ok();
-                                return;
-                            }
-                            None => (),
+                        if let Some(setting) = cls.get_alt_setting(InterfaceNumber(req.index as u8))
+                        {
+                            xfer.accept_with(&setting.to_le_bytes()).ok();
+                            return;
                         }
                     }
 

src/test_class.rs

@@ -93,7 +93,7 @@ impl<B: UsbBus> TestClass<'_, B> {
     }
 
     /// Convenience method to create a UsbDevice that is configured correctly for TestClass.
-    pub fn make_device<'a, 'b>(&'a self, usb_bus: &'b UsbBusAllocator<B>) -> UsbDevice<'b, B> {
+    pub fn make_device<'a>(&self, usb_bus: &'a UsbBusAllocator<B>) -> UsbDevice<'a, B> {
         self.make_device_builder(usb_bus).build()
     }
 
@@ -108,10 +108,10 @@ impl<B: UsbBus> TestClass<'_, B> {
     ///
     /// on the returned builder. If you change the manufacturer, product, or serial number fields,
     /// the test host may misbehave.
-    pub fn make_device_builder<'a, 'b>(
-        &'a self,
-        usb_bus: &'b UsbBusAllocator<B>,
-    ) -> UsbDeviceBuilder<'b, B> {
+    pub fn make_device_builder<'a>(
+        &self,
+        usb_bus: &'a UsbBusAllocator<B>,
+    ) -> UsbDeviceBuilder<'a, B> {
         UsbDeviceBuilder::new(usb_bus, UsbVidPid(VID, PID))
             .manufacturer(MANUFACTURER)
             .product(PRODUCT)
@@ -311,7 +311,7 @@ impl<B: UsbBus> UsbClass<B> for TestClass<'_, B> {
 
                 xfer.accept().expect("control_out REQ_STORE_REQUEST failed");
             }
-            REQ_WRITE_BUFFER if xfer.data().len() as usize <= self.control_buf.len() => {
+            REQ_WRITE_BUFFER if xfer.data().len() <= self.control_buf.len() => {
                 assert_eq!(
                     xfer.data().len(),
                     req.length as usize,