34 pub struct Instant {  struct
35     std: std::time::Instant,  argument
38 impl Instant {  impl
48     pub fn now() -> Instant {  in now()
53     pub fn from_std(std: std::time::Instant) -> Instant {  in from_std()  argument
54         Instant { std }  in from_std()
57     pub(crate) fn far_future() -> Instant {  in far_future()
66     pub fn into_std(self) -> std::time::Instant {  in into_std()  argument
75     pub fn duration_since(&self, earlier: Instant) -> Duration {  in duration_since()
96     pub fn checked_duration_since(&self, earlier: Instant) -> Option<Duration> {  in checked_duration_since()
117     pub fn saturating_duration_since(&self, earlier: Instant) -> Duration {  in saturating_duration_since()
143         Instant::now() - *self  in elapsed()
149     pub fn checked_add(&self, duration: Duration) -> Option<Instant> {  in checked_add()  argument
150         self.std.checked_add(duration).map(Instant::from_std)  in checked_add()
156     pub fn checked_sub(&self, duration: Duration) -> Option<Instant> {  in checked_sub()  argument
157         self.std.checked_sub(duration).map(Instant::from_std)  in checked_sub()
161 impl From<std::time::Instant> for Instant {  implementation
162     fn from(time: std::time::Instant) -> Instant {  in from()  argument
163         Instant::from_std(time)  in from()
167 impl From<Instant> for std::time::Instant {  implementation
168     fn from(time: Instant) -> std::time::Instant {  in from()  argument
173 impl ops::Add<Duration> for Instant {  implementation
174     type Output = Instant;
176     fn add(self, other: Duration) -> Instant {  in add()  argument
177         Instant::from_std(self.std + other)  in add()
181 impl ops::AddAssign<Duration> for Instant {  implementation
187 impl ops::Sub for Instant {  implementation
190     fn sub(self, rhs: Instant) -> Duration {  in sub()
195 impl ops::Sub<Duration> for Instant {  implementation
196     type Output = Instant;
198     fn sub(self, rhs: Duration) -> Instant {  in sub()  argument
199         Instant::from_std(self.std - rhs)  in sub()
203 impl ops::SubAssign<Duration> for Instant {  implementation
209 impl fmt::Debug for Instant {  implementation
217     use super::Instant;
219     pub(super) fn now() -> Instant {  in now()
220         Instant::from_std(std::time::Instant::now())  in now()
226     use super::Instant;
228     pub(super) fn now() -> Instant {  in now()