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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next prev parent 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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