摘要：
1 #include <cstdlib> 2 #include <iostream> 3 4 using namespace std; 5 6 //// brige partten:Begin 7 class bri_Implementor 8 { 9 public: 10 virtual void optImpl() = 0; 11 }; 12 13 class bri_ImplementorA: public bri_Implementor 14 { public: 15 void optImpl() { std::cout ... 阅读全文
