Class Base

base_code/struct_function.cpp:9–24

using namespace std;

struct Base {
    int v1{};
private:
    int v3{};
public:     // 显示声明public
    int v2{};
    static void print(){
        printf("%s\n","Base hello world");
    };
    Base() {
        cout<<"Base construct"<<endl;
    };
    virtual ~Base() {
        cout<<"Base deconstruct"<<endl;
    };
};

typedef struct Base1 {
    int v1;