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/*

 * Created: 04-02-2016

 * Modified: Fri 05 Feb 2016 10:52:38 CET

 * Author: Jonas R. Glesaaen (jonas@glesaaen.com)

 */

#include<iostream>

template <typename T>

class Base

{

public:

  virtual double foo()

  {

    std::cout << "Casting" << std::endl;

    return static_cast<T*>(this)->foo();

  }

};

class Cl1 : public Base<Cl1>

{

public:

  double foo()

  {

    return 4;

  }

};

class Cl2 : public Base<Cl2>

{

public:

  double foo()

  {

    return 5;

  }

};

template <typename Type>

double call(Base<Type> x)

{

  return x.foo();

}

int main(int, char**)

{

  auto x = Cl1 {};

  auto y = Cl2 {};

  std::cout << call(x) << "\n";

  std::cout << call(y) << "\n";

}