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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Okamsn <okamsn@protonmail.com>
Cc: 50927@debbugs.gnu.org
Subject: bug#50927: Considering only entries with unique keys in map.el?
Date: Fri, 01 Oct 2021 14:48:07 +0200	[thread overview]
Message-ID: <87k0iwx660.fsf@gnus.org> (raw)
In-Reply-To: <9fda32d4-5c09-a047-18aa-a792211ffa06@protonmail.com> (okamsn@protonmail.com's message of "Fri, 01 Oct 2021 00:55:21 +0000")

Okamsn <okamsn@protonmail.com> writes:

> Some kinds of maps, such as alists and plists, can contain duplicate
> keys.  These duplicates are effectively ignored in functions like
> `map-elt`, but are not ignored in functions like `map-do` or `map-length`.

As others have noted, this is part of how alists (etc) work, and we
can't change that -- it would break tons of code.

If you don't want duplicate keys, then you should only use functions
like `map-insert' etc to work on the maps.

So I'm closing this bug report.

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





      parent reply	other threads:[~2021-10-01 12:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-01  0:55 bug#50927: Considering only entries with unique keys in map.el? Okamsn via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-10-01  1:56 ` bug#50927: [External] : " Drew Adams
2021-10-01  2:17   ` Michael Heerdegen
2021-10-01 12:48 ` Lars Ingebrigtsen [this message]

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