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宏函数定义继承类

//: ORDER.CPP -- Order of constructor calls 
// with inheritance
#include <iostream.h>

#define inherit(derived, base) class derived : public base { public:   derived() { cout << #derived << endl; } };

class X {};
inherit(A, X)
inherit(B, A)
inherit(C, B)

main() { C c; }

输出结果:

A
B
C