/* Implementation of class EmptyBeer */

#include "emptybeer.h"

/* Initialization statement for the static data member 
   count of class EmptyBeer.  Note that this statement 
   is placed directly in the file, not within any function
   or constructor. */
int EmptyBeer::count = 0;

EmptyBeer::EmptyBeer() {
  count++;
}

EmptyBeer::~EmptyBeer() {
  count--;
}

int EmptyBeer::how_many() const {
  return count;
}