package selsl

type Wherer interface {
	Find(name string) Object
}

type Where struct {
	Wherer
}

type Actorer interface {
	Where() Where
}

type Signature string

type Actor struct {
	Actorer
	Actions map[Signature]Action
}

type Action func(*Actor, ...Object) Object

func (a *Actor) Do(action string, names ...string) Object {
	objects := []Object{}
	for _, name := range names {
		object := a.Where().Find(name) // XXX error checking
		objects = append(objects, object)
	}
	/// XXX calculate signature based on object types.
	act := a.Actions[Signature(action)]
	/// XXX error checking

	return act(a, objects...)
}