239 pub struct SystemTime(time::SystemTime);  struct
461 impl SystemTime {  impl
562     pub fn checked_add(&self, duration: Duration) -> Option<SystemTime> {  in checked_add()
570     pub fn checked_sub(&self, duration: Duration) -> Option<SystemTime> {  in checked_sub()
576 impl Add<Duration> for SystemTime {  implementation
583     fn add(self, dur: Duration) -> SystemTime {  in add()
589 impl AddAssign<Duration> for SystemTime {  implementation
596 impl Sub<Duration> for SystemTime {  implementation
599     fn sub(self, dur: Duration) -> SystemTime {  in sub()
605 impl SubAssign<Duration> for SystemTime {  implementation
612 impl fmt::Debug for SystemTime {  implementation
684 impl FromInner<time::SystemTime> for SystemTime {  implementation
685     fn from_inner(time: time::SystemTime) -> SystemTime {  in from_inner()
690 impl IntoInner<time::SystemTime> for SystemTime {  implementation
691     fn into_inner(self) -> time::SystemTime {  in into_inner()