Rename Checking to Waiting

tower/src/retry/future.rs

@@ -34,11 +34,11 @@ pin_project! {
  future: F
  },
  // Polling the future from [`Policy::retry`]
- Checking {
+ Waiting {
  #[pin]
- checking: P
+ waiting: P
  },
- // Polling [`Service::poll_ready`] after [`Checking`] was OK.
+ // Polling [`Service::poll_ready`] after [`Waiting`] was OK.
  Retrying,
  }
 }
@@ -77,8 +77,8 @@ where
  let mut result = ready!(future.poll(cx));
  if let Some(req) = &mut this.request {
  match this.retry.policy.retry(req, &mut result) {
- Some(checking) => {
- this.state.set(State::Checking { checking });
+ Some(waiting) => {
+ this.state.set(State::Waiting { waiting });
  }
  None => return Poll::Ready(result),
  }
@@ -87,8 +87,8 @@ where
  return Poll::Ready(result);
  }
  }
- StateProj::Checking { checking } => {
- ready!(checking.poll(cx));
+ StateProj::Waiting { waiting } => {
+ ready!(waiting.poll(cx));
 
  this.state.set(State::Retrying);
  }