//
// Basic Summary: clasical stack
//
// Include file for stack definition
//
// Copyright:
//
// Copyright 1993 Ron Burback
// Copyright 1993 Objects Plus
// All rights reserved
//
// Description: based on dynamic array
//
//
// Methods:
//
// The methods are
//	stack(); - standard constructor
//	~stack(); - standard disctructor
//  push - push an element
//  pop - pop an element
//  peak - look at an element without effecting the stack
//
//	static Boolean test(); = quality assurance test
//
// Macro definitions: none
// 
// 
// Class definition:
// 
// stack
//

#ifndef _OP_STACK
#define _OP_STACK

#include "standard.h"
#include "circular_buffer.h"
#include "linked_chunk.h"
#include "dynamic_array.h"

class stack : dynamic_array {

	public:
	
		static char * version ;
		stack();
		~stack();
		void push(void * e);
		void * pop();
		void * peak () ;
		static Boolean test();
};

#endif