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bug#61293: 30.0.50; [FR] Add `proper-list-p' and `plistp' to 2.7 Type Pr
From: |
Robert Pluim |
Subject: |
bug#61293: 30.0.50; [FR] Add `proper-list-p' and `plistp' to 2.7 Type Predicates section of the manual |
Date: |
Mon, 06 Feb 2023 10:20:36 +0100 |
>>>>> On Sun, 05 Feb 2023 15:02:05 +0200, Eli Zaretskii <eliz@gnu.org> said:
>> I mostly expected it is exist, but it does not.
>> Also, there is `nested-alist-p'. So, not having `alistp' feels awkward.
Eli> Most probably because no one needed it, at least not too frequently.
One point here: Emacs allows 'improper' alists without complaining:
(alist-get 1 '((2 . 4)
5
(3 . 1)
(1 . 7)))
=> 7
so weʼd have to be careful about how we defined `alistp'
Robert
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