message: Remove redundant conversion in `clock` example
diff: @@ -92,7 +92,7 @@ impl From<chrono::DateTime<chrono::Local>> for LocalTime {
  impl canvas::layer::Drawable for LocalTime {
  fn draw(&self, frame: &mut canvas::Frame) {
  let center = frame.center();
  - let radius = frame.width().min(frame.height()) as f32 / 2.0;
  + let radius = frame.width().min(frame.height()) / 2.0;
  let offset = Vector::new(center.x, center.y);
  let path = canvas::Path::new(|path| {
  