The Other Side of Const

ConstFunc

using namespace std;
#include <iostream>

class Foo
{
public:
	void SetX( int x )
	{
		m_x = x;
	}

	int GetX()
	{
		return m_x;
	}

private:
	int m_x;

};

class Bar
{
public:
	Bar( Foo * pFoo )
	{
		m_pFoo = pFoo;
	}

	void Constfunc() const
	{
		m_pFoo->SetX( 42 );
		m_foo.SetX( 42 );
	}

private:
	Foo * m_pFoo;
	Foo m_foo;
};

int main( void )
{
	Foo foo;
	foo.SetX( 0 );
	Bar bar( &foo );
	bar.Constfunc();
	cout << foo.GetX();
	return 0;
}