message: Remove unnecessary `Arc` from `clock` example
diff: @@ -3,14 +3,12 @@ use iced::{
  Point, Settings,
  };
  -use std::sync::Arc;
  -
  pub fn main() {
  Clock::run(Settings::default())
  }
  struct Clock {
  - local_time: Arc<LocalTime>,
  + now: LocalTime,
  clock: canvas::layer::Cached<LocalTime>,
  }
  @@ -28,7 +26,7 @@ impl Application for Clock {
  (
  Clock {
  - local_time: Arc::new(now),
  + now,
  clock: canvas::layer::Cached::new(),
  },
  Command::none(),
  @@ -41,7 +39,15 @@ impl Application for Clock {
  fn update(&mut self, message: Message) -> Command<Message> {
  match message {
  - Message::Tick(local_time) => {}
  + Message::Tick(local_time) => {
  + let now = local_time.into();
  +
  + if now != self.now {
  + self.now = now;
  +
  + self.clock.clear();
  + }
  + }
  }
  Command::none()
  @@ -51,12 +57,12 @@ impl Application for Clock {
  Canvas::new()
  .width(Length::Fill)
  .height(Length::Fill)
  - .push(self.clock.with(&self.local_time))
  + .push(self.clock.with(&self.now))
  .into()
  }
  }
  -#[derive(Debug)]
  +#[derive(Debug, PartialEq, Eq)]
  struct LocalTime {
  hour: u32,
  minute: u32,
  