Method checked_sub

src/repr/src/timestamp.rs:325–329

(self, rhs: I)

    }

    pub fn checked_sub<I: Into<Self>>(self, rhs: I) -> Option<Self> {
        self.internal
            .checked_sub(rhs.into().internal)
            .map(|internal| Self { internal })
    }

    /// Advance a timestamp by the least amount possible such that
    /// `ts.less_than(ts.step_forward())` is true. Panic if unable to do so.