210     pub fn elapsed(&self) -> Delta {  in elapsed()
247     fn sub(self, other: Instant<C>) -> Delta {  in sub()
336 pub struct Delta<U: TimeUnit = Nsec> {  struct
340 impl Delta<Jiffy> {  argument
354 impl ops::Add for Delta {  implementation
365 impl ops::AddAssign for Delta {  implementation
372 impl ops::Sub for Delta {  implementation
383 impl ops::SubAssign for Delta {  implementation
390 impl ops::Mul<i64> for Delta {  implementation
401 impl ops::MulAssign<i64> for Delta {  implementation
408 impl ops::Div for Delta {  implementation
426 impl Delta {  impl