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From: Philip Kaludercic <philipk@posteo.net>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Okamsn <okamsn@protonmail.com>,
	Nicolas Petton <nicolas@petton.fr>,
	73431@debbugs.gnu.org
Subject: bug#73431: Add `setf` support for `stream.el` in ELPA
Date: Wed, 25 Sep 2024 20:22:35 +0000	[thread overview]
Message-ID: <87o74bqy9g.fsf@posteo.net> (raw)
In-Reply-To: <jwvtte430o9.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Tue, 24 Sep 2024 22:56:14 -0400")

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Currently, using `(setf (seq-elt STREAM 0) VAL)` silently fails, because 
>> it treats the stream as a list, breaking the stream.
>
> Sounds like a bug, indeed.  But I'd rather fix it by making it fail
> cleanly, to preserve the (current) immutability of streams (at least
> until we decide that there's a good reason for streams to be mutable).

One exception to the immutability of stream might be buffers?  Or at
least it seems like something that would be useful to have.

>> On the desire for mutability, there is the included macro `stream-pop`.
>
> `stream-pop` does not mutate the stream.  It only mutates a local
> variable (which holds a (reference to a) stream).
>
>
>         Stefan
>

-- 
	Philip Kaludercic on siskin





  reply	other threads:[~2024-09-25 20:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-23  1:33 bug#73431: Add `setf` support for `stream.el` in ELPA Okamsn via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-24 10:15 ` Philip Kaludercic
2024-09-24 13:56   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-25  0:17     ` Okamsn via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-25  2:56       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-25 20:22         ` Philip Kaludercic [this message]
2024-09-26 13:53           ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-27 15:11             ` Philip Kaludercic
2024-09-27 16:14               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-27 20:08                 ` Philip Kaludercic
2024-09-27 20:39                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-28  3:08                     ` Okamsn via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-28 14:57                       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-29 19:30                         ` Okamsn via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-30 22:19                           ` Michael Heerdegen via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-09-27 23:55               ` Michael Heerdegen via Bug reports for GNU Emacs, the Swiss army knife of text editors

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