From: Sean Whitton <spwhitton@spwhitton.name>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: [PATCH] Adding with-gensyms and once-only to subr-x
Date: Mon, 11 Apr 2022 10:01:09 -0700 [thread overview]
Message-ID: <877d7vr1uy.fsf@athena.silentflame.com> (raw)
In-Reply-To: <jwvbkx7y3c9.fsf-monnier+emacs@gnu.org>
Hello,
On Mon 11 Apr 2022 at 12:48pm -04, Stefan Monnier wrote:
>> Lately I have been finding myself wanting with-gensyms and once-only,
>> two classic macro-writing macros, available in core Elisp. (There is
>> already org-with-gensyms, but it's not in the least bit Org-specific.)
>
> I think `once-only` is what we (well, I) called `macroexp-let2`.
Ah, thank you for the pointer.
(macroexp-let2* nil ((foo foo) (bar bar)) FORMS)
is quite a bit more verbose than (once-only (foo bar) FORMS), however.
So I would be inclined to keep once-only, though reimplemented in terms
of macroexp-let2*. Does that sound reasonable?
--
Sean Whitton
next prev parent reply other threads:[~2022-04-11 17:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-11 16:26 [PATCH] Adding with-gensyms and once-only to subr-x Sean Whitton
2022-04-11 16:48 ` Stefan Monnier
2022-04-11 17:01 ` Sean Whitton [this message]
2022-04-11 17:26 ` Stefan Monnier
2022-04-11 18:41 ` Sean Whitton
2022-04-11 19:11 ` Stefan Monnier
2022-04-11 20:25 ` Sean Whitton
2022-04-11 21:11 ` Stefan Monnier
2022-04-11 23:05 ` Sean Whitton
2022-04-11 23:15 ` Sean Whitton
2022-04-12 0:06 ` Sean Whitton
2022-04-12 3:08 ` Stefan Monnier
2022-04-12 6:02 ` Sean Whitton
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