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From: npostavs@gmail.com
To: Drew Adams <drew.adams@oracle.com>
Cc: 36035@debbugs.gnu.org
Subject: bug#36035: 26.2; doc string of `add-to-list'
Date: Fri, 31 May 2019 16:51:02 -0400	[thread overview]
Message-ID: <855zpqcpqh.fsf@gmail.com> (raw)
In-Reply-To: <556e648d-6911-40bc-815c-9e348cb7f058@default> (Drew Adams's message of "Fri, 31 May 2019 13:46:16 -0700 (PDT)")

Drew Adams <drew.adams@oracle.com> writes:

> But one might easily get the impression that it does NOT add ELEMENT if
> it is already present.  And that's just plain wrong.
>
> (setq foo '((a . "aaa") (b . "bbb"))) ; => ((a . "aaa") (b . "bbb"))
>
> (add-to-list 'foo '(a . "@@@@")) ; => ((a . "@@@@") (a . "aaa") (b . "bbb"))

Have you mixed up add-to-list with some hypothetical add-to-alist?

(setq foo '((a . "aaa") (b . "bbb"))) ; => ((a . "aaa") (b . "bbb"))

(add-to-list 'foo '(a . "aaa")) ; => ((a . "aaa") (b . "bbb"))





  reply	other threads:[~2019-05-31 20:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31 20:46 bug#36035: 26.2; doc string of `add-to-list' Drew Adams
2019-05-31 20:51 ` npostavs [this message]
2019-05-31 21:02   ` Drew Adams

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