Fraction(const Fraction& f);
Fraction& operator= ( const Fraction& f );

Fraction::Fraction(const Fraction& f)
// this IS the shallow copy that the compiler would auto-build
{
   numerator = f.numerator;
   denominator = f.denominator;
}

Fraction& Fraction::operator= ( const Fraction& f )
{
   numerator = f.numerator;
   denominator = f.denominator;
   
   return *this;		// return calling object to enable cascading 
}


Directory(const Directory& d);
Directory& operator= (const Directory& d);

Directory::Directory(const Directory& d)
{
  maxSize = d.maxSize;
  currentSize = d.currentSize;

  // create a new array for the new object (attach to entryList)
  entryList = new Entry[maxSize];

  // copy data from the original object into THIS one!
  for (int i = 0; i < currentSize; i++)
     entryList[i] = d.entryList[i];
}

Directory& Directory::operator= (const Directory& d)
{
  maxSize = d.maxSize;
  currentSize = d.currentSize;
  entryList = new Entry[maxSize];
  for (int i = 0; i < currentSize; i++)
     entryList[i] = d.entryList[i];

  return *this;		// return calling object
}