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Writeable.h

// Copyright (C) 2001 Kevin Duffy <kevin@buhbird.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


#ifndef WRITEABLE_H  
#define WRITEABLE_H

#include <string>
#include <iostream>
using namespace std;


class Writeable
{
   public:
      virtual string ToString() const {return string("");};
      operator string () const { return ToString(); };
      friend ostream& operator<< (ostream& os, const Writeable& rhs)
      { 
         os << rhs.ToString();
         return os; 
      };
};
#endif

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