#ifndef LISTELEMENT_H
#define LISTELEMENT_H


//*****************************************************************************
//
//			ListElement.h
//
//*****************************************************************************
//
//      Copyright (C) 1996 
//
//                      Ronald A. MacCracken
//			Graduate Student
//                      Computer Science Department
//                      University of California
//                      Davis, CA  95616
//
//      Permission is granted to use at your own risk and 
//      distribute this software in source and binary forms 
//      provided the above copyright notice and this paragraph 
//      are preserved on all copies.  This software is provided 
//      "as is" with no express or implied warranty.
//
//*****************************************************************************


//*****************************************************************************
//
// NOTE: This class is used solely by the the template List and ListIterator
//	 classes, and should not be used in application code.
//
// This class' constructors, like the List class, creates copies of the
// data if a reference is passed, but uses the data if a pointer is passed.
//
//*****************************************************************************


template<class TYPE> 
class ListElement
{

private:

    TYPE		data ;
    ListElement<TYPE>*	next ;


private:

    void		Copy   ( const ListElement<TYPE>& ) ;
    void		Delete ( void ) ;


public:


			// default constructor

			ListElement ( void ) ;


			// user-defined constructors

			ListElement ( const TYPE& ) ;


			// copy constructors

			ListElement ( const ListElement<TYPE>& ) ;


			// destructors

			~ListElement ( void ) ;


			// assignment operator

    ListElement<TYPE>&	operator= ( const ListElement<TYPE>& ) ;


			// return new element with same data

    ListElement<TYPE>*	Get_Copy ( void ) const ;


			// access functions

    ListElement<TYPE>*	Get_Next ( void ) const 	    { return  next ; }

    TYPE&		Get_Data ( void )		    { return  data ; }
    const TYPE&		Get_Data ( void ) const		    { return  data ; }

    void		Set_Data ( const TYPE& d )		{ data = d ; }
    void		Set_Next ( ListElement<TYPE>* n )	{ next = n ; } 

} ;

#include "ListElement.C"

#endif