?? bmw.h
字號(hào):
/*
* bmw.h: This example illustrates virtual base classes with virtual functions.
* It is modelled after Stroustup's BMW (Borders, Menu, Window) example from
* section 10.10c of the A.R.M. (p233-235).
*/
#ifndef bmw_h
#define bmw_h
class W {
public:
virtual void f(void) = 0;
virtual void g(void) = 0;
virtual void h(void) = 0;
virtual void k(void);
};
class MW : public virtual W {
public:
virtual void g(void);
};
class BW : public virtual W {
public:
virtual void f(void);
};
class BMW: public BW, public MW, public virtual W {
public:
virtual void h(void);
};
#endif
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