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  1. #include <iostream>
  2. #include <map>
  3. using namespace std;
  4.  
  5. namespace sf
  6. {
  7. 	class Sprite
  8. 	{
  9. 	public:
  10. 		void introduceYourself() const
  11. 		{
  12. 			cout<<"Sprite\n";
  13. 		}
  14. 	};
  15.  
  16. 	class Sound
  17. 	{
  18. 	public:
  19. 		void introduceYourself() const
  20. 		{
  21. 			cout<<"Sound\n";
  22. 		}
  23. 	};
  24. }
  25.  
  26. class CResource
  27. {
  28. public:
  29. 	virtual ~CResource() {}
  30. 	virtual void doSomething() const = 0;
  31. };
  32.  
  33. class CSound : public CResource
  34. {
  35. public:
  36. 	void doSomething() const
  37. 	{
  38. 		sound.introduceYourself();
  39. 	}
  40.  
  41. private:
  42. 	sf::Sound sound;
  43. };
  44.  
  45. class CSprite : public CResource
  46. {
  47. public:
  48. 	void doSomething() const
  49. 	{
  50. 		sprite.introduceYourself();
  51. 	}
  52.  
  53. private:
  54. 	sf::Sprite sprite;
  55. };
  56.  
  57. class CResourceManager
  58. {
  59. public:
  60. 	CResourceManager()
  61. 	{
  62. 		resourcesMap[0] = new CSprite;
  63. 		resourcesMap[1] = new CSprite;
  64. 		resourcesMap[2] = new CSound;
  65. 		resourcesMap[3] = new CSound;
  66. 		resourcesMap[4] = new CSprite;
  67. 	}
  68. 	~CResourceManager()
  69. 	{
  70. 		for( const auto &res : resourcesMap )
  71. 			delete res.second;
  72. 	}
  73.  
  74. 	void printResources()
  75. 	{
  76. 		for( const auto &res : resourcesMap )
  77. 			res.second->doSomething();
  78. 	}
  79.  
  80. private:
  81. 	map<int, CResource*> resourcesMap;
  82.  
  83. };
  84.  
  85. int main() {
  86. 	CResourceManager resMngr;
  87.  
  88. 	resMngr.printResources();
  89. 	return 0;
  90. }
Success #stdin #stdout 0s 3460KB
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Sprite
Sprite
Sound
Sound
Sprite
https://ideone.com/B9B3S1
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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