重构使用动态转换的std::set的比较运算符

class Base {
public:
    virtual ~Base() {}
    virtual bool operator<(const Base& other) const = 0;
    virtual bool operator==(const Base& other) const = 0;
};

class Derived1 : public Base {
public:
    bool operator<(const Base& other) const override {
        if (const Derived1* derived = dynamic_cast<const Derived1*>(&other)) {
            // 比较Derived1对象的成员变量
            return memberVariable < derived->memberVariable;
        }
        return false;
    }

    bool operator==(const Base& other) const override {
        if (const Derived1* derived = dynamic_cast<const Derived1*>(&other)) {
            // 比较Derived1对象的成员变量
            return memberVariable == derived->memberVariable;
        }
        return false;
    }

private:
    int memberVariable;
};

class Derived2 : public Base {
public:
    bool operator<(const Base& other) const override {
        if (const Derived2* derived = dynamic_cast<const Derived2*>(&other)) {
            // 比较Derived2对象的成员变量
            return memberVariable < derived->memberVariable;
        }
        return false;
    }

    bool operator==(const Base& other) const override {
        if (const Derived2* derived = dynamic_cast<const Derived2*>(&other)) {
            // 比较Derived2对象的成员变量
            return memberVariable == derived->memberVariable;
        }
        return false;
    }

private:
    std::string memberVariable;
};

int main() {
    std::set<Base*> mySet;
    mySet.insert(new Derived1());
    mySet.insert(new Derived2());

    // 使用std::set进行元素的查找和排序操作

    return 0;
}