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  1. #include <memory>
  2.  
  3. class World {};
  4.  
  5. class Unit {
  6. public:
  7.     explicit Unit(std::shared_ptr<World> p);
  8.  
  9. private:
  10.     std::weak_ptr<World> world;
  11. };
  12.  
  13. Unit::Unit(std::shared_ptr<World> p)
  14.     : world(p)
  15. {}
  16.  
  17. int main()
  18. {
  19.     auto world = std::make_shared<World>();
  20.     Unit u { world };
  21. }
Success #stdin #stdout 0s 3060KB
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https://ideone.com/FcHZcD
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

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