//

// 5.3.weak.ptr.cpp

// chapter 05 start pointers and memory management

// modern c++ tutorial

//

// created by changkun at changkun.de

// https://github.com/changkun/modern-cpp-tutorial

//

#include <iostream>

#include <memory>

class A;

class B;

class A {

public:

std::shared_ptr<B> pointer;

~A() {

std::cout << "A was destroied" << std::endl;

}

};

class B {

public:

std::shared_ptr<A> pointer;

~B() {

std::cout << "B was destroied" << std::endl;

}

};

int main() {

std::shared_ptr<A> a = std::make_shared<A>();

std::shared_ptr<B> b = std::make_shared<B>();

a->pointer = b;

b->pointer = a;

return 0;

}