Trait Clock 

pub trait Clock:
    Send
    + Sync
    + 'static {
    // Required methods
    fn now(&self) -> Instant;
    fn unix_ms(&self) -> i64;
}

Abstraction over time sources, enabling deterministic testing.

Required Methods

fn now(&self) -> Instant

Returns a monotonic instant for freshness / elapsed-time checks.

fn unix_ms(&self) -> i64

Returns wall-clock time as Unix milliseconds (for incarnation generation).

Implementors

impl Clock for SystemClock

impl Clock for TestClock