#ifndef __COLLECTIONS_H__
#define __COLLECTIONS_H__

#include <iostream.h>

#include "dir.h"

class Node;

class DirStack
{
public:
                DirStack();

    bool        isEmpty();

    void        push( Dir dir );
    Dir         pop();
    Dir         top();

    void        print( ostream& os );

private:
    Node        *tos;
};

#endif // __COLLECTIONS_H__