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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. using namespace std;
  5. struct B;
  6. struct A
  7. {
  8.  
  9.     shared_ptr<B> b;
  10.     ~A()
  11.     {
  12.         std::cout << __PRETTY_FUNCTION__ << '\n';
  13.     }
  14. };
  15.  
  16. struct B
  17. {
  18.     weak_ptr<A>   a;
  19.     ~B()
  20.     {
  21.         std::cout << __PRETTY_FUNCTION__ << '\n';
  22.     }
  23.  
  24. };
  25.  
  26. int main()
  27. {
  28.     shared_ptr<A> x(new A);
  29.     x->b.reset(new B);
  30.     x->b->a = x;
  31.     x->b->a.lock();
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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A::~A()
B::~B()
https://ideone.com/3JQsaX
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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