//! Shared date helpers (e.g. Unix epoch).
usechrono::NaiveDate;/// Unix epoch (1970-01-01) as NaiveDate. Used for date/timestamp conversions.
#[inline]pubfnepoch_naive_date()-> NaiveDate{NaiveDate::from_ymd_opt(1970,1,1).expect("1970-01-01 is a valid date")}