Fix up doctests and bench builds

Author: bossmc

benches/support/tokiort.rs

@@ -38,7 +38,7 @@ impl Timer for TokioTimer {
     }
 
     fn reset(&self, sleep: &mut Pin<Box<dyn Sleep>>, new_deadline: Instant) {
-        if let Some(sleep) = sleep.as_mut().downcast_mut_pin::<TokioSleep>() {
+        if let Some(sleep) = sleep.as_mut().downcast_mut_pin::<tokio::time::Sleep>() {
             sleep.reset(new_deadline.into())
         }
     }
@@ -59,30 +59,7 @@ where
     }
 }
 
-// Use TokioSleep to get tokio::time::Sleep to implement Unpin.
-// see https://docs.rs/tokio/latest/tokio/time/struct.Sleep.html
-pin_project! {
-    pub(crate) struct TokioSleep {
-        #[pin]
-        pub(crate) inner: tokio::time::Sleep,
-    }
-}
-
-impl Future for TokioSleep {
-    type Output = ();
-
-    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        self.project().inner.poll(cx)
-    }
-}
-
-impl TokioSleep {
-    pub fn reset(self: Pin<&mut Self>, deadline: Instant) {
-        self.project().inner.as_mut().reset(deadline.into());
-    }
-}
-
-pin_project! {
+pin_project_lite::pin_project! {
     #[derive(Debug)]
     pub struct TokioIo<T> {
         #[pin]

src/rt/timer.rs

@@ -1,6 +1,7 @@
 //! Provides a timer trait with timer-like functions
 //!
 //! Example using tokio timer:
+//!
 //! ```rust
 //! use std::{
 //!     future::Future,
@@ -17,46 +18,19 @@
 //!
 //! impl Timer for TokioTimer {
 //!     fn sleep(&self, duration: Duration) -> Pin<Box<dyn Sleep>> {
-//!         Box::pin(TokioSleep {
-//!             inner: tokio::time::sleep(duration),
-//!         })
+//!         Box::pin(tokio::time::sleep(duration))
 //!     }
 //!
 //!     fn sleep_until(&self, deadline: Instant) -> Pin<Box<dyn Sleep>> {
-//!         Box::pin(TokioSleep {
-//!             inner: tokio::time::sleep_until(deadline.into()),
-//!         })
+//!         Box::pin(tokio::time::sleep_until(deadline.into()))
 //!     }
 //!
 //!     fn reset(&self, sleep: &mut Pin<Box<dyn Sleep>>, new_deadline: Instant) {
-//!         if let Some(sleep) = sleep.as_mut().downcast_mut_pin::<TokioSleep>() {
+//!         if let Some(sleep) = sleep.as_mut().downcast_mut_pin::<tokio::time::Sleep>() {
 //!             sleep.reset(new_deadline.into())
 //!         }
 //!     }
 //! }
-//!
-//! pin_project! {
-//!     pub(crate) struct TokioSleep {
-//!         #[pin]
-//!         pub(crate) inner: tokio::time::Sleep,
-//!     }
-//! }
-//!
-//! impl Future for TokioSleep {
-//!     type Output = ();
-//!
-//!     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-//!         self.project().inner.poll(cx)
-//!     }
-//! }
-//!
-//! impl Sleep for TokioSleep {}
-//!
-//! impl TokioSleep {
-//!     pub fn reset(self: Pin<&mut Self>, deadline: Instant) {
-//!         self.project().inner.as_mut().reset(deadline.into());
-//!     }
-//! }
 //! ````
 
 use std::{