either-guard reference implementation Shiro Kawai (16 Jul 2020 02:15 UTC)
Re: either-guard reference implementation John Cowan (16 Jul 2020 04:28 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 04:42 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 05:01 UTC)
Re: either-guard reference implementation John Cowan (16 Jul 2020 15:12 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 17:24 UTC)
Re: either-guard reference implementation John Cowan (16 Jul 2020 17:45 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 18:04 UTC)
Re: either-guard reference implementation John Cowan (16 Jul 2020 18:07 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 18:29 UTC)
Re: either-guard reference implementation John Cowan (16 Jul 2020 23:31 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (17 Jul 2020 00:10 UTC)
Re: either-guard reference implementation Arthur A. Gleckler (17 Jul 2020 03:15 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (17 Jul 2020 04:27 UTC)
Re: either-guard reference implementation Arthur A. Gleckler (17 Jul 2020 05:00 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (17 Jul 2020 05:55 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (17 Jul 2020 05:55 UTC)
Re: either-guard reference implementation Shiro Kawai (17 Jul 2020 07:35 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (17 Jul 2020 13:40 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (17 Jul 2020 13:50 UTC)
Re: either-guard reference implementation Arthur A. Gleckler (18 Jul 2020 05:22 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (18 Jul 2020 12:32 UTC)
Re: either-guard reference implementation John Cowan (29 Jul 2020 23:18 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (31 Jul 2020 08:36 UTC)
Re: either-guard reference implementation John Cowan (05 Aug 2020 06:07 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (05 Aug 2020 06:22 UTC)
Re: either-guard reference implementation John Cowan (05 Aug 2020 06:28 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (05 Aug 2020 06:48 UTC)
Re: either-guard reference implementation John Cowan (07 Aug 2020 22:08 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (09 Aug 2020 11:14 UTC)
Re: either-guard reference implementation John Cowan (09 Aug 2020 13:10 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (11 Aug 2020 08:14 UTC)
Re: either-guard reference implementation John Cowan (11 Aug 2020 16:48 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (15 Aug 2020 12:11 UTC)
Re: either-guard reference implementation John Cowan (15 Aug 2020 13:57 UTC)
Re: either-guard reference implementation Marc Nieper-Wißkirchen (16 Jul 2020 20:40 UTC)
Re: either-guard reference implementation Wolfgang Corcoran-Mathe (16 Jul 2020 23:25 UTC)

Re: either-guard reference implementation Wolfgang Corcoran-Mathe 17 Jul 2020 04:27 UTC

On 2020-07-16 20:14 -0700, Arthur A. Gleckler wrote:
> > Sounds good.  If Arthur will accept it, I'll send a PR removing them.
>
> Since both authors were surprised by the behavior under these
> circumstances, it definitely counts as an error, so I have to say yes to an
> erratum.

Thanks.  Pull request opened.

Essentially, until commit 851ae058, the working specification for
maybe-let* and either-let* was little more than "the Maybe/Either
equivalent of SRFI 2 and-let*", so the implementation of these forms
followed SRFI 2 in all its oddities.  John then added cleaner
semantics for these forms, but I unfortunately assumed that nothing
significant had changed.  Hopefully everything is satisfactory now.

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

"In the military more is not better." --_Sun Tzu_