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bug#50927: Considering only entries with unique keys in map.el?
From: |
Lars Ingebrigtsen |
Subject: |
bug#50927: Considering only entries with unique keys in map.el? |
Date: |
Fri, 01 Oct 2021 14:48:07 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
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
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