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  1. #include <iostream>
  2.  
  3. class Base
  4. {
  5.     public:
  6.        void function1(){std::cout<<"1"<<std::endl;}
  7.        virtual void function2()=0;
  8. };
  9.  
  10. class Derived : public Base
  11. {
  12.     public:
  13.        virtual void function2(){std::cout<<"2"<<std::endl;}
  14. };
  15.  
  16. int main()
  17. {
  18.     Derived d;
  19.     void* ptr = static_cast<void*>(&d);
  20.     Base* baseptr=static_cast<Base*>(ptr);
  21.     baseptr->function1();
  22.     baseptr->function2(); 
  23. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/e0Lr6v
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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