_DESIGNING C++ CLASSES_
by Steven Sinofsky


[EXAMPLE 1]

class CBase {
public:
    CBase(); // user-supplied constructor
    ~CBase(); // user-supplied destructor

   // other functions and variables
};
class CMyClass : public CBase {
public:
    CMyClass(); // user-supplied constructor
    ~CMyClass(); // user-supplied destructor
    // other functions and variables
};
void main() {
    CBase* pBase = new CMyClass;
    delete pBase; 
        // wrong destructor invoked because ~CBase() is not virtual
}


[EXAMPLE 2]


/* 1 */ extern CMyClass m0;
/* 2 */ CMyClass m1;        // invokes default constructor
/* 3 */ m1 = m0;        // invokes assignment operator
/* 4 */ CMyClass mInit = m0;    // invokes copy constructor


[EXAMPLE 3]

class CAnyClass : public CObject {
    CAnyClass();
    virtual ~CAnyClass();
    CAnyClass(const CAnyClass& src);
    CAnyClass& operator=(const CAnyClass& src);
};