#ifndef ATOM_GROUP_H
#define ATOM_GROUP_H

#ifndef DBC_H
#include "DbC.h"
#endif

namespace MM
{
class Atom;

class Atom_group : protected DbC
{
public:
    virtual int             atom_count () const =0;
    virtual Atom &          atom (int i) =0;
    virtual const Atom &    atom (int i) const =0;
};

}//MM

#endif //ATOM_GROUP_H
