Add duration constants

This commit is contained in:
Stjepan Glavina 2019-01-06 13:44:55 +01:00
parent 433ef826f0
commit 7f7a2e9396

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@ -23,6 +23,22 @@ const MILLIS_PER_SEC: u64 = 1_000;
const MICROS_PER_SEC: u64 = 1_000_000;
const MAX_NANOS_F64: f64 = ((u64::MAX as u128 + 1)*(NANOS_PER_SEC as u128)) as f64;
/// The duration of one second.
#[unstable(feature = "duration_constants", issue = "0")]
pub const SECOND: Duration = Duration::from_secs(1);
/// The duration of one millisecond.
#[unstable(feature = "duration_constants", issue = "0")]
pub const MILLISECOND: Duration = Duration::from_millis(1);
/// The duration of one microsecond.
#[unstable(feature = "duration_constants", issue = "0")]
pub const MICROSECOND: Duration = Duration::from_micros(1);
/// The duration of one nanosecond.
#[unstable(feature = "duration_constants", issue = "0")]
pub const NANOSECOND: Duration = Duration::from_nanos(1);
/// A `Duration` type to represent a span of time, typically used for system
/// timeouts.
///