#include "counter.h"

counter::counter()
{
   my_value = 0;
}

void counter::reset()
{
   my_value = 0;
   change();
}

void counter::increment()
{
   my_value++;
   change();
}

void counter::decrement()
{
   my_value--;
   change();
}

int counter::value()
{ 
   return my_value;
}