34 pub struct Instant {  struct
35     std: std::time::Instant,  argument
38 impl Instant {  impl
53     pub fn from_std(std: std::time::Instant) -> Instant {  in from_std()
66     pub fn into_std(self) -> std::time::Instant {  in into_std()
141     pub fn checked_add(&self, duration: Duration) -> Option<Instant> {  in checked_add()
148     pub fn checked_sub(&self, duration: Duration) -> Option<Instant> {  in checked_sub()
153 impl From<std::time::Instant> for Instant {  implementation
154     fn from(time: std::time::Instant) -> Instant {  in from()
159 impl From<Instant> for std::time::Instant {  implementation
160     fn from(time: Instant) -> std::time::Instant {  in from()
165 impl ops::Add<Duration> for Instant {  implementation
168     fn add(self, other: Duration) -> Instant {  in add()
173 impl ops::AddAssign<Duration> for Instant {  implementation
179 impl ops::Sub for Instant {  implementation
187 impl ops::Sub<Duration> for Instant {  implementation
190     fn sub(self, rhs: Duration) -> Instant {  in sub()
195 impl ops::SubAssign<Duration> for Instant {  implementation
201 impl fmt::Debug for Instant {  implementation