GNU bug report logs - #25154
25.1; Bindings in cl-letf are in reverse order

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Package: emacs;

Reported by: Alex <agrambot <at> gmail.com>

Date: Fri, 9 Dec 2016 23:55:02 UTC

Severity: minor

Tags: notabug

Found in version 25.1

Done: Philipp Stephani <p.stephani2 <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Alex <agrambot <at> gmail.com>
Cc: 25154 <at> debbugs.gnu.org
Subject: bug#25154: 25.1; Bindings in cl-letf are in reverse order
Date: Sat, 10 Dec 2016 20:27:40 +0200

> From: Alex <agrambot <at> gmail.com>
> Cc: 25154 <at> debbugs.gnu.org
> Date: Sat, 10 Dec 2016 12:05:40 -0600
> 
> > Isn't it true that the order of evaluation in a 'let' is unspecified?
> > If you want a particular order, use 'let*'.
> 
> I don't think so. See (info "(elisp) Local Variables"):
> 
>   All of the VALUE-FORMs in BINDINGS are evaluated in the order they
>   appear

That's the evaluation order.  Your code relies on the order of
_binding_ variables to values, which is unspecified.  Contrast the
above with the description of 'let*' below it.
This bug report was last modified 8 years and 150 days ago.

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