#ifndef GHOST_BASIC_H
#define GHOST_BASIC_H

typedef char trigger;

template <class T>
class Null : public Link<T, Null<T> > {
public:
	Null(T& o) : Link<T, Null<T> >(o, this, &Null::_push, &Null::_pull) {}

	void _push() { pull(); }
	void _pull() { push(); }
};

template <class T>
class Stop : public Link<T, Stop<T> > {
public:
	Stop(T& o) : Link<T, Stop<T> >(o, this, &Stop::stop, &Stop::stop) {}

	void stop() {}
};

#endif