ns1.cpp

#include <iostream>
#include "ns1.h"

namespace ns1 
{
    void f()
    {
        std::cout << "ns1 function f" << std::endl;
    }
   
    
    Example::Example()
    {
        //we have not called f yet!
        count = 0;
    }
    
    void Example::f() 
    {
        //count calls to f
        std::cout << "Called: " << count++ << " times." << std::endl;
    }
}