Method contains

src/jvm/clojure/lang/PersistentQueue.java:242–249

(Object o)

}

public boolean contains(Object o){
	for(ISeq s = seq(); s != null; s = s.next())
		{
		if(Util.equiv(s.first(), o))
			return true;
		}
	return false;
}

public Iterator iterator(){
    return new Iterator(){