Trait governor::clock::Reference

pub trait Reference: Sized + Add<Nanos, Output = Self> + PartialEq + Eq + Ord + Copy + Clone + Send + Sync + Debug {
    fn duration_since(&self, earlier: Self) -> Nanos;
    fn saturating_sub(&self, duration: Nanos) -> Self;
}

A measurement from a clock.

Required methods

fn duration_since(&self, earlier: Self) -> Nanos

Determines the time that separates two measurements of a clock. Implementations of this must perform a saturating subtraction - if the earlier timestamp should be later, duration_since must return the zero duration.

fn saturating_sub(&self, duration: Nanos) -> Self

Returns a reference point that lies at most duration in the past from the current reference. If an underflow should occur, returns the current reference.

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Implementations on Foreign Types

impl Reference for Duration

fn duration_since(&self, earlier: Self) -> Nanos

fn saturating_sub(&self, duration: Nanos) -> Self

impl Reference for Instant

fn duration_since(&self, earlier: Self) -> Nanos

fn saturating_sub(&self, duration: Nanos) -> Self

impl Reference for SystemTime

fn duration_since(&self, earlier: Self) -> Nanos

Returns the difference in times between the two SystemTimes. Due to the fallible nature of SystemTimes, returns the zero duration if a negative duration would result (e.g. due to system clock adjustments).

fn saturating_sub(&self, duration: Nanos) -> Self

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Implementors

impl Reference for QuantaInstant

fn duration_since(&self, earlier: Self) -> Nanos

fn saturating_sub(&self, duration: Nanos) -> Self

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