/**
* Appends another {@link ObjectArray} to the array.
*
* @param other array to append
* @return this builder for convenience
*/
public ObjectArrayBuilder<E> append(final ObjectArray<E> other) {
builder.append(other.root);
return this;
}
/**
* Appends a single element to the array.
*
* @param elem element to append
* @return this builder for convenience
*/
public ObjectArrayBuilder<E> append(final E elem) {
builder.append(new ObjectArray.Leaf<>(elem));
return this;
}