fixing clippy lints

crates/penrose_ui/src/core/mod.rs

@@ -322,7 +322,7 @@ pub struct Context<'a> {
     colors: &'a mut HashMap<Color, XColor>,
 }
 
-impl<'a> Context<'a> {
+impl Context<'_> {
     /// Clear the underlying surface, restoring it to the background color.
     pub fn clear(&mut self) -> Result<()> {
         self.fill_rect(Rect::new(0, 0, self.s.r.w, self.s.r.h), self.bg)

src/extensions/actions/mod.rs

@@ -48,7 +48,7 @@ pub fn set_fullscreen_state<X: XConn>(
         let r = state
             .client_set
             .screen_for_client(&id)
-            .ok_or_else(|| Error::UnknownClient(id))?
+            .ok_or(Error::UnknownClient(id))?
             .r;
         state.client_set.float(id, r)?;
         wstate.push(*full_screen);

src/pure/stack.rs

@@ -103,11 +103,7 @@ impl<T> Stack<T> {
         I: IntoIterator<Item = T>,
     {
         let mut it = iter.into_iter();
-
-        let focus = match it.next() {
-            Some(t) => t,
-            None => return None,
-        };
+        let focus = it.next()?;
 
         Some(Self {
             up: VecDeque::default(),

src/pure/stack_set.rs

@@ -1440,6 +1440,7 @@ pub mod tests {
 }
 
 #[cfg(test)]
+#[allow(missing_docs)]
 mod quickcheck_tests {
     use super::{tests::test_stack_set_with_stacks, *};
     use quickcheck::{Arbitrary, Gen};

src/x/mock.rs

@@ -18,7 +18,7 @@ use crate::{
 ///
 /// Any implementation of `MockXConn` will automatically implement `XConn` by forwarding on
 /// calls to `$method` to `mock_$method`.
-#[allow(unused_variables)]
+#[allow(unused_variables, missing_docs)]
 pub trait MockXConn {
     fn mock_root(&self) -> Xid {
         Xid(0)