fn partial_cmp()

in components/support/firefox-versioning/src/version.rs [140:175]

• 33 lines of code
• 9 McCabe index (conditional complexity)

    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        let num_a_ord = self.num_a.partial_cmp(&other.num_a);
        match num_a_ord {
            Some(Ordering::Greater) | Some(Ordering::Less) => return num_a_ord,
            _ => (),
        };

        if self.str_b.is_empty() && !other.str_b.is_empty() {
            return Some(Ordering::Greater);
        } else if other.str_b.is_empty() && !self.str_b.is_empty() {
            return Some(Ordering::Less);
        }
        let str_b_ord = self.str_b.partial_cmp(&other.str_b);
        match str_b_ord {
            Some(Ordering::Greater) | Some(Ordering::Less) => return str_b_ord,
            _ => (),
        };

        let num_c_ord = self.num_c.partial_cmp(&other.num_c);
        match num_c_ord {
            Some(Ordering::Greater) | Some(Ordering::Less) => return num_c_ord,
            _ => (),
        };

        if self.extra_d.is_empty() && !other.extra_d.is_empty() {
            return Some(Ordering::Greater);
        } else if other.extra_d.is_empty() && !self.extra_d.is_empty() {
            return Some(Ordering::Less);
        }
        let extra_d_ord = self.extra_d.partial_cmp(&other.extra_d);
        match extra_d_ord {
            Some(Ordering::Greater) | Some(Ordering::Less) => return extra_d_ord,
            _ => (),
        };
        Some(Ordering::Equal)
    }