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Add as_micros and as_millis methods

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Jonathan Behrens 2018-05-19 15:18:07 -04:00
parent 799eda4128
commit 99f5136f9e
1 changed files with 36 additions and 2 deletions
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38
src/libcore/time.rs
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@ -263,18 +263,52 @@ impl Duration {
#[inline]
pub fn subsec_nanos(&self) -> u32 { self.nanos }
/// Returns the total number of milliseconds contained by this `Duration`.
///
/// # Examples
///
/// ```
/// # #![feature(duration_as_u128)]
/// use std::time::Duration;
///
/// let duration = Duration::new(5, 730023852);
/// assert_eq!(duration.as_millis(), 5730);
/// ```
#[unstable(feature = "duration_as_u128", issue = "50202")]
#[inline]
pub fn as_millis(&self) -> u128 {
self.secs as u128 * MILLIS_PER_SEC as u128 + self.nanos as u128 / NANOS_PER_MILLI as u128
}
/// Returns the total number of microseconds contained by this `Duration`.
///
/// # Examples
///
/// ```
/// # #![feature(duration_as_u128)]
/// use std::time::Duration;
///
/// let duration = Duration::new(5, 730023852);
/// assert_eq!(duration.as_micros(), 5730023);
/// ```
#[unstable(feature = "duration_as_u128", issue = "50202")]
#[inline]
pub fn as_micros(&self) -> u128 {
self.secs as u128 * MICROS_PER_SEC as u128 + self.nanos as u128 / NANOS_PER_MICRO as u128
}
/// Returns the total number of nanoseconds contained by this `Duration`.
///
/// # Examples
///
/// ```
/// # #![feature(duration_nanos)]
/// # #![feature(duration_as_u128)]
/// use std::time::Duration;
///
/// let duration = Duration::new(5, 730023852);
/// assert_eq!(duration.as_nanos(), 5730023852);
/// ```
#[unstable(feature = "duration_nanos", issue = "50202")]
#[unstable(feature = "duration_as_u128", issue = "50202")]
#[inline]
pub fn as_nanos(&self) -> u128 {
self.secs as u128 * NANOS_PER_SEC as u128 + self.nanos as u128