Method containsKey

src/jvm/clojure/lang/PersistentHashMap.java:125–129

(Object key)

}

public boolean containsKey(Object key){
	if(key == null)
		return hasNull;
	return (root != null) ? root.find(0, hash(key), key, NOT_FOUND) != NOT_FOUND : false;
}

public IMapEntry entryAt(Object key){
	if(key == null)