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  1. #include <iostream>
  2. #include <vector>
  3. #include <utility>
  4.  
  5. class Animal {
  6. public:
  7. 	Animal() { std::cout << "Animal()" << std::endl; };
  8. 	~Animal() { std::cout << "~Animal()" << std::endl; };
  9. 	virtual void eat() { std::cout << "Animal is eating" << std::endl; };
  10. };
  11.  
  12. class Bear : public Animal {
  13. public:
  14. 	Bear() { std::cout << "Bear()" << std::endl; };
  15. 	~Bear() { std::cout << "~Bear()" << std::endl; };
  16. 	void eat() { std::cout << "Bear is eating" << std::endl; };
  17. };
  18.  
  19. class Zebra : public Animal {
  20. public:
  21. 	Zebra() { std::cout << "Zebra()" << std::endl; };
  22. 	~Zebra() { std::cout << "~Zebra()" << std::endl; };
  23. 	void eat() { std::cout << "Zebra is eating" << std::endl; };
  24. };
  25.  
  26. int main()
  27. {
  28. 	Bear bear;
  29. 	Zebra zebra;
  30.  
  31. 	std::vector<Animal*> animalsp;
  32. 	animalsp.push_back(&bear);
  33. 	animalsp.push_back(&zebra);
  34. 	for (auto i : animalsp) {
  35. 		i->eat();
  36. 	}
  37.  
  38. 	std::vector<Animal> animals;
  39. 	animals.push_back(std::move(bear));
  40. 	animals.push_back(std::move(zebra));
  41. 	for (auto i : animals) {
  42. 		i.eat();
  43. 	}
  44.  
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 3416KB
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stdin
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Standard input is empty
stdout
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Animal()
Bear()
Animal()
Zebra()
Bear is eating
Zebra is eating
~Animal()
Animal is eating
~Animal()
Animal is eating
~Animal()
~Animal()
~Animal()
~Zebra()
~Animal()
~Bear()
~Animal()
https://ideone.com/NarEvm
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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