On 2021-07-06 07:08 -0400, John Cowan wrote:
> Ok, thanks.
>
> On Mon, Jul 5, 2021 at 11:49 PM Shiro Kawai <xxxxxx@gmail.com> wrote:
>
> > I can add an entry for range-reverse.

A couple of notes:

* range-reverse may return an expanded range.

* Following the rest of the traversal procedures, it should run in
  O(s) time, where s is the sum of the total accessing time of the
  range argument.

* The resulting range should have O(1) average accessing time.

Best regards,

--
Wolfgang Corcoran-Mathe  <xxxxxx@sigwinch.xyz>

"I started out as a BASIC programmer.  Some people would say that I'm
permanently damaged.  Some people are undoubtedly right." --Larry Wall