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From: Philipp Stephani <p.stephani2@gmail.com>
To: Tino Calancha <tino.calancha@gmail.com>, Eli Zaretskii <eliz@gnu.org>
Cc: 25154@debbugs.gnu.org, Alex <agrambot@gmail.com>
Subject: bug#25154: 25.1; Bindings in cl-letf are in reverse order
Date: Sat, 10 Dec 2016 13:41:16 +0000	[thread overview]
Message-ID: <CAArVCkRujHGKQQJrZwc_raCxRCnPS73g4i7f0=S-0n0_uxH=9Q@mail.gmail.com> (raw)
In-Reply-To: <8760msmdq1.fsf@gmail.com>

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Tino Calancha <tino.calancha@gmail.com> schrieb am Sa., 10. Dez. 2016 um
08:45 Uhr:

> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: Alex <agrambot@gmail.com>
> >> Date: Fri, 09 Dec 2016 17:36:15 -0600
> >>
> >> Compare the following:
> >>
> >> (let ((x 5)
> >>       (x 6))
> >>   (+ x 10))
> >>
> >> => 16
> >>
> >> (cl-letf ((x 5)
> >>           (x 6))
> >>   (+ x 10))
> >>
> >> => 15
> >
> > Isn't it true that the order of evaluation in a 'let' is unspecified?
> > If you want a particular order, use 'let*'.
> Right, the order of evaluation in a let is up to the implementation.  A
> program
> should not rely on such details.
> The same statement should apply to cl-letf.
>
>
>
>
I think that should be mentioned explicitly in the manuals: given that the
order of value evaluations is specified, people might expect the same for
the bindings themselves.

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  reply	other threads:[~2016-12-10 13:41 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-09 23:36 bug#25154: 25.1; Bindings in cl-letf are in reverse order Alex
2016-12-10  4:29 ` Alex
2016-12-10  7:22 ` Eli Zaretskii
2016-12-10  7:43   ` Tino Calancha
2016-12-10 13:41     ` Philipp Stephani [this message]
2016-12-10 14:01       ` Tino Calancha
2016-12-10 14:09       ` Eli Zaretskii
2016-12-23 12:17         ` Philipp Stephani
2016-12-23 12:46           ` Tino Calancha
2016-12-23 13:53           ` Eli Zaretskii
2016-12-23 16:30             ` Philipp Stephani
2016-12-10 18:05   ` Alex
2016-12-10 18:14     ` npostavs
2016-12-10 19:41       ` Alex
2016-12-10 18:27     ` Eli Zaretskii
2016-12-10 19:52       ` Alex
2016-12-11  3:11         ` Tino Calancha

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