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  • 关于虚函数多重继承

    class component
    {
    public:
    virtual void print()const = 0;
    };

    class composite :public component
    {
    component* m_child;
    public:
    void setChild(component* child)
    {
    m_child = child;
    }
    virtual void print()const{ cout << "composite" << endl; }
    };

    class leaf :public component
    {
    public:
    void print()const { cout <<" leaf Node "<< endl; }
    };

    void _tmain()
    {
    leaf node;
    composite comp;
    comp.setChild(&node);
    component* p = &comp;
    p->print();
    }

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  • 原文地址:https://www.cnblogs.com/huninglei/p/5472597.html
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