fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <memory>
  4.  
  5. struct A
  6. {
  7. 	virtual ~A() { std::cout << "A::~A()\n"; }
  8. };
  9.  
  10. struct B : A
  11. {
  12. 	~B() { std::cout << "B::~B()\n"; }
  13. };
  14.  
  15. int main()
  16. {
  17. 	std::vector<std::unique_ptr<A>> v;
  18. 	v.emplace_back(new B);
  19. 	v.emplace_back(new B);
  20. 	v.emplace_back(new B);
  21. 	v.emplace_back(new B);
  22.  
  23. 	v.clear();
  24.  
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
B::~B()
A::~A()
B::~B()
A::~A()
B::~B()
A::~A()
B::~B()
A::~A()
https://ideone.com/0Vv2Gl
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!