Dummy code to check that a const object attributes are const

constness.cpp

#include <iostream>


class A
{
public:
  A (int a = 0) : m_a (a)
  { }

  ~A ()
  { }

  int get () const
  {  return m_a;  }

  void set (int a) 
  {  m_a = a;  }

private:
  int m_a;
};

class B
{
public:
  B(int a = 0) : m_a (0)
  { m_a = new A (a);  }
   
  ~B()
  { if (m_a) delete m_a; }

  int get () const
  { return m_a->get (); }

  void set (int a)
  {  return m_a->set (a); }

private:
  A*  m_a;
};


int main ()
{
  B const a(0);
  std::cout << "value: " << a.get () << std::endl;
  //a.set (17);  //KO
  //std::cout << "value: " << a.get () << std::endl;
  return 0;
}