fork(1) download 
  1. #include <iostream>
  2.  
  3. class Base {
  4. public:
  5.   virtual void print() { std::cout << "In base"<<std::endl; }
  6. };
  7.  
  8. class Derived : public Base {
  9. public:
  10.   virtual void print() override { std::cout << "In derived"<<std::endl; }
  11. };
  12.  
  13. int main() {
  14.    auto print = [](Base &&obj){ obj.print(); };
  15.    auto doIt = [&print](bool doBase) { doBase ? print(Base{}) : print(Derived{}); };
  16.  
  17.    doIt(true);
  18.    doIt(false);
  19. }
Success #stdin #stdout 0.01s 5392KB
comments (?)
stdin 
Standard input is empty
stdout 
In base
In derived
https://ideone.com/lX6AZa
language:
C++ 4.3.2 (gcc-4.3.2)
created:
3 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!