message: Fix `enum_variant_names` clippy error
diff: @@ -8,8 +8,8 @@ use pin_project::pin_project;
  #[derive(Debug)]
  enum State {
  Initial,
  - InSt1,
  - InSt2,
  + St1,
  + St2,
  }
  #[pin_project]
  @@ -23,7 +23,7 @@ pub struct OrStream<St1, St2> {
  state: State,
  }
  -use State::{InSt1, InSt2, Initial};
  +use State::{Initial, St1, St2};
  impl<St1, St2> OrStream<St1, St2>
  where
  @@ -52,18 +52,18 @@ where
  match this.state {
  Initial => match ready!(this.stream1.poll_next(cx)) {
  item @ Some(_) => {
  - *this.state = InSt1;
  + *this.state = St1;
  Poll::Ready(item)
  }
  None => {
  - *this.state = InSt2;
  + *this.state = St2;
  this.stream2.poll_next(cx)
  }
  },
  - InSt1 => this.stream1.poll_next(cx),
  - InSt2 => this.stream2.poll_next(cx),
  + St1 => this.stream1.poll_next(cx),
  + St2 => this.stream2.poll_next(cx),
  }
  }
  @@ -80,8 +80,8 @@ where
  }
  i1_hint => i1_hint,
  },
  - InSt1 => self.stream1.size_hint(),
  - InSt2 => self.stream2.size_hint(),
  + St1 => self.stream1.size_hint(),
  + St2 => self.stream2.size_hint(),
  }
  }
  }
  