@Override
public T get(int index) {
if (index < 0 || index >= length()) {
throw new IndexOutOfBoundsException("get(" + index + ")");
}
return trie.get(index).get();
}
@Override
public Vector<T> removeAll(java.lang.Iterable<? extends T> elements) {
Objects.requireNonNull(elements, "elements is null");
HashArrayMappedTrie<T, T> removed = HashArrayMappedTrie.empty();
for (T element : elements) {
removed = removed.put(element, element);
}
HashArrayMappedTrie<Integer, T> result = HashArrayMappedTrie.empty();
boolean found = false;
for (int i = 0; i < length(); i++) {
T element = get(i);
if (removed.get(element).isDefined()) {
found = true;
} else {
result = result.put(result.size(), element);
}
}
return found ? (result.isEmpty() ? empty() : new Vector<>(result)) : this;
}
