From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Chopping the last element of a list
Date: Fri, 29 Apr 2022 07:12:38 +0200 [thread overview]
Message-ID: <YmtzxtmB6n1qKY3i@tuxteam.de> (raw)
In-Reply-To: <VrsNpW7eCNZfvK-l5T2DqhNO2HVHifLmW8Zc7pdXoaa04pjYx1BxgO_0pY6iQtsD8rw1u5o8GoVykKYY38LTSdR2VB_qRKt79lIDLTfmdB4=@protonmail.com>
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On Fri, Apr 29, 2022 at 04:26:51AM +0000, emacsq wrote:
> >
> > Here. It returns the last element, and it
> > chops that last element off the list.
>
> Thanks. It's quite simple and useful to have along with last/butlast/etc.
>
> Will you put it into subr.el, so emacs has it built-in ?
Read Drew's code again. Read the examples he provided.
Now, answer this one question: for a list with exactly
one element, say
(setq foo '(1))
what is its last element? What would you expect choplast
to do? What does Drew's implementation do? Surprise?
Cheers
--
t
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next prev parent reply other threads:[~2022-04-29 5:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 21:27 Chopping the last element of a list Drew Adams
2022-04-29 4:26 ` emacsq
2022-04-29 5:12 ` tomas [this message]
2022-04-29 15:55 ` [External] : " Drew Adams
2022-04-30 5:25 ` tomas
2022-04-30 14:47 ` Drew Adams
2022-04-30 14:51 ` tomas
2022-04-29 15:55 ` [External] : " Drew Adams
-- strict thread matches above, loose matches on Subject: below --
2022-04-29 1:02 Drew Adams
[not found] <fn8q5CKH0JRjvhUBk-weL0eqI0HA5QMHJ7ag-wmP2c_YXYavm1MNiga-Vz77nJCHECfOfW-UdvaTOH2nEAIopin5Nn7mXg2jgOxpVffs4So=@protonmail.com>
2022-04-28 9:21 ` emacsq via Users list for the GNU Emacs text editor
2022-04-28 21:33 ` Michael Heerdegen
2022-04-28 23:52 ` Stefan Monnier via Users list for the GNU Emacs text editor
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