/**
* Returns a potential non-empty list from the given list. A non-value is returned if the given
* list is empty.
*
* @param as The list to construct a potential non-empty list with.
* @return A potential non-empty list from the given list.
*/
public static <A> Option<NonEmptyList<A>> fromList(final List<A> as) {
return as.isEmpty() ? Option.<NonEmptyList<A>>none() : some(nel(as.head(), as.tail()));
}
