RUST

set interval Rust

#[allow(dead_code)]
enum Time {
  Millisecond(u8),
  Second(u8),
  Minute(u8),
  Hour(u8)
}

#[allow(dead_code)]
fn set_interval(callback: fn() -> (), time: Time) -> () {
  let duration = match time {
    Time::Millisecond(value) => Duration::from_millis(value as u64),
    Time::Second(value) => Duration::from_secs(value as u64),
    Time::Minute(value) => Duration::from_secs(value as u64 * 60),
    Time::Hour(value) => Duration::from_secs(value as u64 * 60 * 60)
  };

  callback();

  loop {
    sleep(duration);
    callback()
  }
}

fn main() {
  set_interval(|| {
    println!("Hello World after every 1 second")
  }, Time::Second(1))
}