Method containsKey

src/jvm/clojure/lang/APersistentVector.java:387–392

(Object key)

}

public boolean containsKey(Object key){
	if(!(Util.isInteger(key)))
		return false;
	int i = ((Number) key).intValue();
	return i >= 0 && i < count();
}

public IMapEntry entryAt(Object key){
	if(Util.isInteger(key))