message: Improve naming in `clock` example
diff: @@ -42,7 +42,6 @@ impl Application for Clock {
  if now != self.now {
  self.now = now;
  -
  self.clock.clear();
  }
  }
  @@ -95,7 +94,7 @@ impl canvas::layer::Drawable for LocalTime {
  let radius = frame.width().min(frame.height()) / 2.0;
  let offset = Vector::new(center.x, center.y);
  - let path = canvas::Path::new(|path| {
  + let clock = canvas::Path::new(|path| {
  path.arc(canvas::path::Arc {
  center,
  radius,
  @@ -105,11 +104,11 @@ impl canvas::layer::Drawable for LocalTime {
  });
  frame.fill(
  - &path,
  + &clock,
  canvas::Fill::Color(Color::from_rgb8(0x12, 0x93, 0xD8)),
  );
  - fn draw_handle(
  + fn draw_hand(
  n: u32,
  total: u32,
  length: f32,
  @@ -125,16 +124,16 @@ impl canvas::layer::Drawable for LocalTime {
  path.line_to(Point::new(x, y) + offset);
  }
  - let path = canvas::Path::new(|path| {
  + let hour_and_minute_hands = canvas::Path::new(|path| {
  path.move_to(center);
  - draw_handle(self.hour, 12, 0.5 * radius, offset, path);
  + draw_hand(self.hour, 12, 0.5 * radius, offset, path);
  path.move_to(center);
  - draw_handle(self.minute, 60, 0.8 * radius, offset, path)
  + draw_hand(self.minute, 60, 0.8 * radius, offset, path)
  });
  frame.stroke(
  - &path,
  + &hour_and_minute_hands,
  canvas::Stroke {
  width: 6.0,
  color: Color::WHITE,
  @@ -143,13 +142,13 @@ impl canvas::layer::Drawable for LocalTime {
  },
  );
  - let path = canvas::Path::new(|path| {
  + let second_hand = canvas::Path::new(|path| {
  path.move_to(center);
  - draw_handle(self.second, 60, 0.8 * radius, offset, path)
  + draw_hand(self.second, 60, 0.8 * radius, offset, path)
  });
  frame.stroke(
  - &path,
  + &second_hand,
  canvas::Stroke {
  width: 3.0,
  color: Color::WHITE,
  