Method contains

src/jvm/clojure/lang/APersistentVector.java:481–488

(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 int length(){
	return count();