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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Christopher Wellons <wellons@nullprogram.com>,
	31641@debbugs.gnu.org, Noam Postavsky <npostavs@gmail.com>
Subject: bug#31641: 26.1; iter-do variable not left unused warning
Date: Fri, 05 Feb 2021 09:53:10 +0100	[thread overview]
Message-ID: <875z36nbex.fsf@gnus.org> (raw)
In-Reply-To: <jwv1rdvdcko.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Thu, 04 Feb 2021 11:36:27 -0500")

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> FWIW, I find the above expansion to provide somewhat "dirty" semantics
> in the sense that
>
>     (let ((funs '()))
>       (iter-do (n i) (push (lambda () n) funs))
>       funs)
>
> will return a list of functions which all return the same value (the
> last `n`).
>
> You can clean up this semantics and the warning at the same time by
> using an expansion like:

If I'm reading that correctly, that does seem like more obvious
semantics, but is it too late to change this now?  I'm not sure how much
generator.el is used in the wild yet...

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2021-02-05  8:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 13:12 bug#31641: 26.1; iter-do variable not left unused warning Christopher Wellons
2018-05-29 22:13 ` Noam Postavsky
2021-02-04 10:05   ` Lars Ingebrigtsen
2021-02-04 16:36     ` Stefan Monnier
2021-02-05  8:53       ` Lars Ingebrigtsen [this message]
2021-02-05 15:03         ` Stefan Monnier
2021-02-06 10:31       ` Lars Ingebrigtsen
2021-02-05 17:12     ` Basil L. Contovounesios

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