public static <T>ReactiveSeq<T> fromIterator(final Iterator<T> iterator){
  Objects.requireNonNull(iterator);
  return fromIterable(null);
}

public static < T > ReactiveSeq < T > fromIterator ( final Iterator < T > iterator ) { Objects . requireNonNull ( iterator ) ; return fromIterable ( null ) ; }
construct a reactiveseq from an iterator
