#include <iostream>

class Demo

{

public:

int id;

Demo(const Demo &z1)

{

std::cout << "step in copy constructor" << std::endl;

id = z1.id;

std::cout << "step out copy constructor" << std::endl;

}

Demo() {}

Demo(int id_)

{

id = id_;

std::cout << "id = " << id << " constructed" << std::endl;

}

~Demo()

{

std::cout << "id = " << id << " destructed" << std::endl;

}

};

Demo z1(1);

void hf1()

{

std::cout << "step in hf1" << std::endl;

static Demo z2(2);

Demo z3(3);

std::cout << "step out hf1" << std::endl;

}

// g++ main03.cpp -std=c++11 -o tbd00.exe

int main()

{

std::cout << "step in main" << std::endl;

Demo z4(4);

z4 = 6;

{

std::cout << "step in sub-region" << std::endl;

Demo z5(5);

std::cout << "step out sub-region" << std::endl;

}

hf1();

std::cout << "step out main" << std::endl;

}