fix: Apply suggestions from code review

Co-authored-by: Mark Rousskov <[email protected]>

Author: tvallotton

library/alloc/src/task.rs

@@ -168,14 +168,14 @@ fn raw_waker<W: Wake + Send + Sync + 'static>(waker: Arc<W>) -> RawWaker {
 /// to hold data that does not implement `Send` and `Sync`. Additionally, it saves calls
 /// to `Arc::clone`, which requires atomic synchronization.
 ///
-
+///
 /// # Examples
 ///
 /// This is a simplified example of a `spawn` and a `block_on` function. The `spawn` function
 /// is used to push new tasks onto the run queue, while the block on function will remove them
 /// and poll them. When a task is woken, it will put itself back on the run queue to be polled by the executor.
 ///
-/// **Note:** A real world example would interlieve poll calls with calls to an io reactor to wait for events instead
+/// **Note:** A real world example would interleave poll calls with calls to an io reactor to wait for events instead
 /// of spinning on a loop.
 ///
 /// ```rust
@@ -221,7 +221,7 @@ fn raw_waker<W: Wake + Send + Sync + 'static>(waker: Arc<W>) -> RawWaker {
 /// {
 ///     spawn(future);
 ///     loop {
-///         let Some(task) = RUN_QUEUE.with_borrow_mut(|queue|queue.pop_front()) else {
+///         let Some(task) = RUN_QUEUE.with_borrow_mut(|queue| queue.pop_front()) else {
 ///             // we exit, since there are no more tasks remaining on the queue
 ///             return;
 ///         };

library/core/src/task/wake.rs

@@ -332,7 +332,6 @@ impl<'a> ContextBuilder<'a> {
     }
 
     /// This field is used to set the value of the waker on `Context`.
-
     #[inline]
     #[rustc_const_unstable(feature = "const_waker", issue = "102012")]
     #[unstable(feature = "local_waker", issue = "118959")]
@@ -598,6 +597,7 @@ impl fmt::Debug for Waker {
 }
 
 /// A `LocalWaker` is analogous to a [`Waker`], but it does not implement [`Send`] or [`Sync`].
+///
 /// This handle encapsulates a [`RawWaker`] instance, which defines the
 /// executor-specific wakeup behavior.
 ///
@@ -646,9 +646,8 @@ impl fmt::Debug for Waker {
 /// [`Future::poll()`]: core::future::Future::poll
 /// [`Poll::Pending`]: core::task::Poll::Pending
 /// [`local_waker`]: core::task::Context::local_waker
-
 #[unstable(feature = "local_waker", issue = "118959")]
-#[repr(transparent)]
+#[cfg_attr(not(doc), repr(transparent))] // work around https://github.com/rust-lang/rust/issues/66401
 pub struct LocalWaker {
     waker: RawWaker,
 }