Method cons

src/jvm/clojure/lang/PersistentTreeSet.java:67–71

(Object o)

}

public IPersistentSet cons(Object o){
	if(contains(o))
		return this;
	return new PersistentTreeSet(meta(),impl.assoc(o,o));
}

public IPersistentCollection empty(){
	return new PersistentTreeSet(meta(),(PersistentTreeMap)impl.empty());