Method score

tests/binary/modules/src/main.rs:79–85

(self)

            }

            pub fn score(self) -> u32 {
                let base = self.left.protons + self.right.protons;
                match self.kind {
                    BondKind::Single => base,
                    BondKind::Double => base * 2,
                }
            }
        }

        pub fn make_bond(left: Atom, right: Atom, kind: BondKind) -> Bond {