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From: "Marc Nieper-Wißkirchen" <marc.nieper@gmail.com>
To: guile-devel@gnu.org
Cc: Mark H Weaver <mhw@netris.org>, John Cowan <cowan@ccil.org>
Subject: Re: [PATCH] add SRFI: srfi-121; generators
Date: Tue, 4 Aug 2020 14:48:44 +0200	[thread overview]
Message-ID: <CAEYrNrS6S5TKkGJ-PSi-6D7sY-NDtt3jmhCf_B7wGKRcjuy=Qw@mail.gmail.com> (raw)
In-Reply-To: <CAEYrNrTv48FajG2HPwCPBsBTwg5p36Y1CEwhZbm3CbA5Vp5PYQ@mail.gmail.com>

Am Mo., 3. Aug. 2020 um 21:41 Uhr schrieb Marc Nieper-Wißkirchen
<marc.nieper@gmail.com>:

> > I'm sorry to say it, but in my opinion SRFI-121 and SRFI-158 should be
> > deprecated and avoided.  The reference implementations do not match the
> > specifications, and the specifications themselves are self-contradictory
> > (see above).  Therefore, it's entirely possible that users of these
> > SRFIs may have contradictory expectations about how these procedures
> > behave.  Some may have read the spec one way, some may have read the
> > spec in a contradictory way, some may have learned from how the buggy
> > reference implementation behaves, and others may have learned from the
> > behavior of a different SRFI-121 implementation that doesn't have those
> > bugs.  At this point, I don't see how the problems can be fixed without
> > breaking some users' assumptions, and therefore breaking existing code.

> Of course, all this can be fixed, but by the sheer size of R7RS-large,
> I doubt that it ever will.

PPS That said, the more people are committing a bit of their spare
time to R7RS-large, the better the result will be. So if you are
inclined to improve SRFI 121/158 in the areas in which you have
perceived deficiencies, I am sure that John will put an improved
version on the next ballot.



  reply	other threads:[~2020-08-04 12:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.61.1596470427.10776.guile-devel@gnu.org>
2020-08-03 19:41 ` [PATCH] add SRFI: srfi-121; generators Marc Nieper-Wißkirchen
2020-08-04 12:48   ` Marc Nieper-Wißkirchen [this message]
2020-08-04 15:24   ` John Cowan
2020-08-04 15:58     ` Marc Nieper-Wißkirchen
2020-08-04 17:24       ` Dr. Arne Babenhauserheide
2021-01-21 18:39 John Cowan
2021-01-23  0:58 ` Mark H Weaver
2021-01-23  2:14   ` Shiro Kawai
2021-01-23  2:18     ` Arthur A. Gleckler
2021-01-23  6:37       ` Mark H Weaver
2021-01-26  3:29         ` John Cowan
2021-01-26  6:48           ` Linus Björnstam
2021-01-26  6:49             ` Linus Björnstam
2021-01-26  7:14             ` Marc Nieper-Wißkirchen
2021-01-26 11:54               ` Linus Björnstam
2021-04-08 15:53                 ` Arthur A. Gleckler
2021-04-11  6:52                   ` Linus Björnstam
2021-04-11 16:17                     ` Arthur A. Gleckler
  -- strict thread matches above, loose matches on Subject: below --
2020-08-01  3:42 John Cowan
2020-08-02 22:39 ` Mark H Weaver
2019-07-01  0:09 nly
2019-07-01  5:06 ` Mark H Weaver
2019-07-01  6:00   ` Mark H Weaver
2019-07-01  6:21     ` Amar Singh

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