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use std::time::Instant; use std::fmt; use std::thread; use std::time::Duration; pub struct Timer{ time: Instant } impl Timer{ pub fn new() -> Timer{ Timer{time: Instant::now()} } pub fn elapsed_millis(&self) -> u64{ (self.time.elapsed().as_secs() * 1000) + ((self.time.elapsed().subsec_nanos() / 1_000_000) as u64) } pub fn reset(&mut self){ self.time = Instant::now(); } } impl fmt::Debug for Timer { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.elapsed_millis()) } } pub fn sleep(time: u64){ thread::sleep(Duration::from_millis(time)); }