#include "sets.h"
#include <iostream>
using namespace std;

Set::Set ()
{
  size = 0;
}

Set::~Set()
{
}

Set& Set::add (int)
{
  cerr << "*** can't add to general sets " << endl;
  return *this;
}

bool Set::member (int) const
{
  cerr << "*** can't check membership in general sets " << endl;
  return false;
}

Set& Set::clear()
{
  cerr << "*** can't clear general sets " << endl;
  return *this;
}

void Set::copyMembers (Set& into) const
{
  cerr << "*** can't copy general sets " << endl;
}

const Set& Set::operator= (const Set& s)
{
  return *this;
}