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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <memory>
  5.  
  6. class MyAbstract
  7. {
  8.     public:
  9.  
  10.     virtual void doStuff() = 0;
  11.     virtual ~MyAbstract() {}
  12.  
  13.     int id;
  14. };
  15.  
  16. class MyConcrete : public MyAbstract
  17. {
  18. 	public:
  19. 	MyConcrete(int id){this->id=id;}
  20. 	void doStuff() { }
  21.  
  22. };
  23.  
  24. int main()
  25. {
  26.     std::vector<std::unique_ptr<MyAbstract>> myList;
  27.  
  28.     myList.emplace_back(std::make_unique<MyConcrete>(1));
  29.     myList.emplace_back(std::make_unique<MyConcrete>(2));
  30.     myList.emplace_back(std::make_unique<MyConcrete>(3));
  31.  
  32.     for(auto & item : myList)
  33.     {
  34.         std::cout << item->id << "\n";
  35.     }
  36.  
  37.     //Now delete one by 
  38. 	for (auto it = myList.begin(); it != myList.end();)
  39. 	{
  40. 		if ((*it)->id == 2)
  41. 		{
  42. 			it = myList.erase(it);
  43. 			break;
  44. 		}
  45. 		else
  46. 			++it;
  47. 	}
  48.  
  49. 	std::cout << "After deletion:" << std::endl;
  50.  
  51.     for(auto & item : myList)
  52.     {
  53.         std::cout << item->id << "\n";
  54.     }
  55. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
1
2
3
After deletion:
1
3
https://ideone.com/kFohfA
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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