message: Remove window.id() match, simply nested matches with single if-let
diff: @@ -185,11 +185,8 @@ impl ExampleBase {
  .run_return(|event, _, control_flow| {
  *control_flow = ControlFlow::Wait;
  f();
  - match event {
  - Event::WindowEvent {
  - ref event,
  - window_id,
  - } if window_id == self.window.id() => match event {
  + if let Event::WindowEvent {
  + event:
  WindowEvent::CloseRequested
  | WindowEvent::KeyboardInput {
  input:
  @@ -199,10 +196,11 @@ impl ExampleBase {
  ..
  },
  ..
  - } => *control_flow = ControlFlow::Exit,
  - _ => {}
  },
  - _ => {}
  + ..
  + } = event
  + {
  + *control_flow = ControlFlow::Exit
  }
  });
  }
  