From: Michael Heerdegen <michael_heerdegen@web.de>
To: Noam Postavsky <npostavs@gmail.com>
Cc: 33550@debbugs.gnu.org, Alex Branham <alex.branham@gmail.com>
Subject: bug#33550: [PATCH] mention let* in if-let
Date: Thu, 18 Apr 2019 05:44:54 +0200 [thread overview]
Message-ID: <875zrcvux5.fsf@web.de> (raw)
In-Reply-To: <877ebsw44r.fsf@gmail.com> (Noam Postavsky's message of "Wed, 17 Apr 2019 20:25:56 -0400")
Noam Postavsky <npostavs@gmail.com> writes:
> I think it's a bit ambiguous, it could refer to the fact that each
> VALUEFORM is evaluted sequentially. It's not entirely obvious that
> previous SYMBOL bindings are available to follow VALUEFORMs, as in let*
> rather than let
Yes, true.
> (which would be the more obvious choice for if-let as opposed to
> if-let*).
if-let mainly exists for backward compatibility (to support the "SPEC of
the form (SYMBOL SOMETHING)" case). I don't recall why we didn't
obsolete it when we added if-let*, but AFAIR the special case had been
quite widely used. Anyway, I think we should not change it.
Michael.
next prev parent reply other threads:[~2019-04-18 3:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-29 19:18 bug#33550: [PATCH] mention let* in if-let Alex Branham
2018-11-29 19:43 ` Eli Zaretskii
2018-11-29 19:46 ` Alex Branham
2019-04-18 0:25 ` Noam Postavsky
2019-04-18 3:44 ` Michael Heerdegen [this message]
2019-04-18 3:47 ` Michael Heerdegen
2019-06-23 20:56 ` Lars Ingebrigtsen
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