Method checked_sub

arrow-buffer/src/bigint/mod.rs:374–377

(self, other: Self)

    /// Performs checked subtraction
    #[inline]
    pub fn checked_sub(self, other: Self) -> Option<Self> {
        let r = self.wrapping_sub(other);
        ((other.is_negative() && r > self) || (!other.is_negative() && r <= self)).then_some(r)
    }

    /// Performs wrapping multiplication
    #[inline]