/// <summary> /// hollow hexagon ring at some origin /// </summary> /// <param name="origin"></param> /// <param name="k"></param> /// <param name="outCells"></param> /// <returns></returns> public static int HexRing(H3Index origin, int k, out List <H3Index> outCells) { (int status, List <H3Index> cells) = origin.HexRing(k); outCells = cells; return(status); }