/**
* Calculates the size of a digit.
*
* @param <N> node type
* @param arr digit
* @return size
*/
static <N extends Node<?, ?>> long size(final N[] arr) {
long size = 0;
for (final N o : arr) size += o.size();
return size;
}
/**
* Calculates the size of a digit.
*
* @param <N> node type
* @param arr digit
* @return size
*/
static <N extends Node<?, ?>> long size(final N[] arr) {
long size = 0;
for (final N o : arr) size += o.size();
return size;
}
