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  1. #include <iostream>
  2. #include <vector>
  3. #include <typeinfo>
  4.  
  5. struct Shape
  6. {
  7.     virtual ~Shape(){} // at least one virtual function needed for polymorphism
  8. };
  9.  
  10. struct Circle: Shape
  11. {
  12.  
  13. };
  14. struct Square: Shape
  15. {
  16.  
  17. };
  18.  
  19. int main()
  20. {
  21.     std::vector<Shape *> vec;
  22.     vec.push_back(new Square());
  23.     vec.push_back(new Circle());
  24.     std::vector<Shape *>::iterator tmp = vec.begin();
  25.  
  26.         for(;tmp != vec.end(); ++tmp)
  27.         {
  28.             if(typeid(**tmp).name() == typeid(Square).name())
  29.             {
  30.                 std::cout << "Square" << std::endl;;
  31.             }
  32.             else if(typeid(**tmp).name() == typeid(Circle).name())
  33.             {
  34.                 std::cout << "Circle" << std::endl;;
  35.             }
  36.         }
  37.  
  38.  
  39. }
  40.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
Square
Circle
https://ideone.com/LU6mJo
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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