# Module bitflags::__core::time [−] [src]

Temporal quantification.

Example:

    use std::time::Duration;

    let five_seconds = Duration::new(5, 0);
    // both declarations are equivalent
    assert_eq!(Duration::new(5, 0), Duration::from_secs(5));

## Structs

Duration | A duration type to represent a span of time, typically used for system timeouts.
Instant | A measurement of a monotonically increasing clock. Opaque and useful only with `Duration`.
SystemTime | A measurement of the system clock, useful for talking to external entities like the file system or other processes.
SystemTimeError | An error returned from the `duration_since` method on `SystemTime`, used to learn about why how far in the opposite direction a timestamp lies.

## Constants

UNIX_EPOCH | An anchor in time which can be used to create new `SystemTime` instances or learn about where in time a `SystemTime` lies.

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