Method checked_sub_millis

rust/crates/ccusage/src/date_utils.rs:50–52

(self, millis: i64)

    }

    pub(crate) fn checked_sub_millis(self, millis: i64) -> Option<Self> {
        self.0.checked_sub(millis).map(Self)
    }

    pub(crate) fn duration_since(self, earlier: Self) -> i64 {
        self.0.saturating_sub(earlier.0)