use std::time::{Duration, SystemTime, UNIX_EPOCH};
/// Get a duration since Unix epoch.
pub fn unix_duration() -> Duration {
SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("current system time is before Unix epoch")
}
/// Get a Unix timestamp for the current time.
pub fn unix_timestamp() -> u64 {
unix_duration().as_secs()
}