Item09 绝不在构造和析构过程调用virtual函数

//Item09 绝不在构造和析构过程调用virtual函数#include <stdio.h>class base {public:base() {printf("base\n");f();}virtual void f() = 0 {printf("base::f\n");}};class drived :public base {public:drived() {printf("drived\n");}virtual void f() {printf("drived::f()\n");}};int main() {drived d;return 0;}