#ifndef _SET_H_
#define _SET_H_

#include "Cref.h"

#include <vector>
using std::vector;

class IllegalRemoveException { };

template <class Object>
class Set
{
  public:
    Cref<Object> find( const Object & x ) const;
    bool isEmpty( ) const;

    void makeEmpty( );
    void insert( const Object & x );
    void remove( const Object & x );

  private:
    vector<Object> items;

    enum { NOT_FOUND = -1 };
    int findLoc( const Object & x ) const;
};

#endif