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  1. #include <vector>
  2. #include <memory>
  3. #include <iostream>
  4.  
  5. using namespace std;
  6.  
  7. struct A
  8. {
  9.     virtual ~A()
  10.     {
  11.         cout << "A::~A()\n";
  12.     }
  13. };
  14.  
  15. struct B: public A
  16. {
  17.     ~B()
  18.     {
  19.         cout << "B::~B()\n";
  20.     }
  21. };
  22.  
  23. struct C: public A
  24. {
  25.     ~C()
  26.     {
  27.         cout << "C::~C()\n";
  28.     }
  29. };
  30.  
  31. int main()
  32. {
  33.     {
  34.         A** array=new A*[3];
  35.         array[0] = new B;
  36.         array[1] = new C;
  37.         array[2] = new A;
  38.  
  39.         for(int i = 0; i < 3; ++i)
  40.             delete array[i];
  41.  
  42.         delete [] array;
  43.     }
  44.     cout << "\n\n";
  45.     {
  46.         vector<unique_ptr<A>> array;
  47.         array.emplace_back(new B);
  48.         array.emplace_back(new C);
  49.         array.emplace_back(new A);
  50.     }
  51. }
  52.  
  53.  
Success #stdin #stdout 0s 5444KB
comments (?)
stdin 
Standard input is empty
stdout 
B::~B()
A::~A()
C::~C()
A::~A()
A::~A()


B::~B()
A::~A()
C::~C()
A::~A()
A::~A()
https://ideone.com/9kSO0J
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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