fork download
copy 
  1. #include <iostream>
  2. #include <memory>
  3. #include <vector>
  4.  
  5. class MyInterface {
  6. public:
  7.     virtual const std::string identify() = 0;
  8. };
  9.  
  10. class A : public MyInterface {
  11. public:
  12.   const std::string identify() {
  13.      return std::string("A");
  14.   }
  15. };
  16.  
  17. class B : public MyInterface {
  18. public:
  19.   const std::string identify() {
  20.      return std::string("B");
  21.   }
  22. };
  23.  
  24. class C : public MyInterface {
  25. public:
  26.   const std::string identify() {
  27.      return std::string("C");
  28.   }
  29. };
  30.  
  31. int main() {
  32. 	std::vector<std::shared_ptr<MyInterface>> theVec;
  33.     theVec.push_back(std::make_shared<A>());
  34.     theVec.push_back(std::make_shared<B>());
  35.     theVec.push_back(std::make_shared<C>());
  36.  
  37.     std::cout << theVec[0]->identify();
  38.     std::cout << theVec[1]->identify();
  39.     std::cout << theVec[2]->identify();
  40. }
Success #stdin #stdout 0s 3432KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
ABC
https://ideone.com/vbc60B
language:
C++14 (gcc 8.3)
created:
10 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!