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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <memory> // **** added
  5.  
  6. class Object
  7. {
  8. protected:
  9.     std::string name;
  10. 	int id;
  11. 	int value;
  12.  
  13.  
  14. public:
  15. 	virtual ~Object() // **** needs to be virtual
  16. 	{
  17. 	}
  18.  
  19. 	virtual void Display() const // made const-correct
  20. 	{
  21.  
  22. 	}
  23.  
  24. };
  25.  
  26. class Weapon : public Object
  27. {
  28. private:
  29. 	int damage;
  30. 	float speed;
  31.  
  32.  
  33. public:
  34. 	Weapon(std::string newName, int newValue, int newDamage, float newSpeed)
  35. 	{
  36. 		name = newName;
  37. 		value = newValue;
  38. 		damage = newDamage;
  39. 		speed = newSpeed;
  40. 	}
  41.  
  42.     /****
  43. 	~Weapon() // **** implicitly overridden
  44. 	{
  45. 	}
  46. 	****/
  47.  
  48. 	void Display() const override // ****
  49. 	{
  50. 		std::cout << "Name: " << name << std::endl;
  51. 		std::cout << "Value: " << value << std::endl;
  52. 		std::cout << "Damage: " << damage << std::endl;
  53. 		std::cout << "Speed: " << speed << std::endl;
  54.  
  55. 	}
  56.  
  57. };
  58.  
  59. int main()
  60. {
  61. 	std::vector< std::shared_ptr<Object> > inventory; // modified
  62.  
  63. 	//Weapon BronzeDagger("Bronze Dagger", 5, 1, 1); // ****
  64. 	//inventory.push_back(BronzeDagger); // **** modified
  65. 	inventory.push_back( std::make_shared<Weapon>( "Bronze Dagger", 5, 1, 1 ) ) ; // ****
  66. 	inventory.push_back( std::make_shared<Weapon>( "Golden Sword", 500, 10, 2 ) ) ; // ****
  67.  
  68. 	// for(int i = 0; i < inventory.size(); i++) // ****
  69. 	for( auto p : inventory )
  70. 	{
  71. 		//inventory[i].Display(); // ****
  72. 		p->Display();
  73.         std::cout << '\n' ;
  74. 	}
  75. }
  76.  
Success #stdin #stdout 0s 2992KB
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Standard input is empty
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Name: Bronze Dagger
Value: 5
Damage: 1
Speed: 1

Name: Golden Sword
Value: 500
Damage: 10
Speed: 2
https://ideone.com/kYdGFh
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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