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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. class Hoge
  5. {
  6. public:
  7. 	static Hoge& GetInstance();
  8.  
  9. 	void Hey()
  10. 	{
  11. 		std::cout << foo << std::endl;
  12. 	}
  13. 	void SetFoo( int a )
  14. 	{
  15. 		foo = a;
  16. 	}
  17.  
  18. private:
  19. 	Hoge() : foo(0) {};
  20. 	Hoge( const Hoge& a ) {};
  21. 	~Hoge() {};
  22. 	struct hoge_deleter;
  23.  
  24. 	int foo;
  25. };
  26.  
  27. struct Hoge::hoge_deleter
  28. {
  29. 	void operator()( const Hoge* const p )
  30. 	{
  31. 		std::cout << "Hoge deleter" << std::endl;
  32. 		delete p;
  33. 	}
  34. };
  35.  
  36. Hoge& Hoge::GetInstance()
  37. {
  38. 	static std::unique_ptr<Hoge, hoge_deleter> instance( new Hoge() );
  39. 	return *instance;
  40. }
  41.  
  42. int main()
  43. {
  44. 	Hoge& hoge1 = Hoge::GetInstance();
  45. 	hoge1.SetFoo( 2 );
  46. 	Hoge& hoge2 = Hoge::GetInstance();
  47.  
  48. 	hoge1.Hey();
  49. 	hoge2.Hey();
  50. }
Success #stdin #stdout 0s 2960KB
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Hoge deleter
https://ideone.com/Rngaf
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
secret

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