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  1. 	#include <memory>
  2.  
  3. 	struct Foo {};
  4. 	class Bar {
  5. 	public:
  6. 		std::unique_ptr<Foo> m_f1; // we will own this
  7. 		std::unique_ptr<Foo> m_f2; // and this
  8.  
  9. 		Bar(std::unique_ptr<Foo> f1) // caller must pass ownership
  10. 		    : m_f1(std::move(f1))    // assume ownership
  11. 		    , m_f2(std::make_unique<Foo>()) // create a new object
  12. 		{}
  13.  
  14.         ~Bar()
  15.         {
  16.             // nothing to do here
  17.         }
  18. 	};
  19.  
  20. 	int main() {
  21. 		auto f = std::make_unique<Foo>();
  22. 		Bar(std::move(f)); // the 'move' emphasizes that
  23. 		                   // we're giving you ownership
  24. 	    // 'f' is now invalid.
  25.  
  26. 		return 0;
  27. 	}
  28.  
Success #stdin #stdout 0s 3452KB
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https://ideone.com/9BtGkn
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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