diff options
| -rw-r--r-- | library/core/src/time.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/library/core/src/time.rs b/library/core/src/time.rs index b533f539938..78494b866b1 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -856,6 +856,48 @@ impl Duration { (self.secs as f32) + (self.nanos.0 as f32) / (NANOS_PER_SEC as f32) } + /// Returns the number of milliseconds contained by this `Duration` as `f64`. + /// + /// The returned value does include the fractional (nanosecond) part of the duration. + /// + /// # Examples + /// ``` + /// #![feature(duration_millis_float)] + /// use std::time::Duration; + /// + /// let dur = Duration::new(2, 345_678_000); + /// assert_eq!(dur.as_millis_f64(), 2345.678); + /// ``` + #[unstable(feature = "duration_millis_float", issue = "122451")] + #[must_use] + #[inline] + #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] + pub const fn as_millis_f64(&self) -> f64 { + (self.secs as f64) * (MILLIS_PER_SEC as f64) + + (self.nanos.0 as f64) / (NANOS_PER_MILLI as f64) + } + + /// Returns the number of milliseconds contained by this `Duration` as `f32`. + /// + /// The returned value does include the fractional (nanosecond) part of the duration. + /// + /// # Examples + /// ``` + /// #![feature(duration_millis_float)] + /// use std::time::Duration; + /// + /// let dur = Duration::new(2, 345_678_000); + /// assert_eq!(dur.as_millis_f32(), 2345.678); + /// ``` + #[unstable(feature = "duration_millis_float", issue = "122451")] + #[must_use] + #[inline] + #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] + pub const fn as_millis_f32(&self) -> f32 { + (self.secs as f32) * (MILLIS_PER_SEC as f32) + + (self.nanos.0 as f32) / (NANOS_PER_MILLI as f32) + } + /// Creates a new `Duration` from the specified number of seconds represented /// as `f64`. /// |