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  1. #include <memory>
  2.  
  3. class Base {
  4.     public:
  5.         Base() = default;
  6.         virtual ~Base() = default;
  7.         virtual void run() = 0;
  8. };
  9.  
  10. class Derived1: public Base {
  11.     public:
  12.         Derived1() = default;
  13.         virtual ~Derived1() = default;
  14.         void run() {}
  15. };
  16.  
  17. class Derived2: public Base {
  18.     public:
  19.         Derived2() = default;
  20.         virtual ~Derived2() = default;
  21.         void run() {}
  22. };
  23.  
  24. void doSomething(std::shared_ptr<Base> ptr) {
  25.     ptr->run();
  26. }
  27.  
  28. int main() {
  29.     doSomething(std::make_shared<Derived1>());
  30.     doSomething(std::make_shared<Derived2>());
  31. }
  32.  
Success #stdin #stdout 0s 3428KB
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https://ideone.com/06RB2W
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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