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bug#34708: alist-get has unclear documentation


From: Eric Abrahamsen
Subject: bug#34708: alist-get has unclear documentation
Date: Mon, 04 Mar 2019 09:16:46 -0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

On 03/04/19 17:38 PM, Michael Heerdegen wrote:
> Eric Abrahamsen <address@hidden> writes:
>
>> I think it would be nice to have an example that shows both a common
>> use-case (as an accumulator), and how to use REMOVE. I started off with
>> the accumulator part:
>>
>> (let (word word-freq)
>>   (while (setq word (pop word-list))
>>     (cl-incf (alist-get word word-freq 0 #'equal) 1)))
>>
>> But so far haven't come up with a non-contrived way to work REMOVE in
>> there...
>
> And I guess you didn't really want to specify a function as REMOVE arg,
> right?

Don't you think it's confusing enough already? :)

Though maybe there could be a second example showing "advanced topics in
REMOVE".

While we're here, you mentioned up-thread that REMOVE isn't intuitive if
you don't understand what the DEFAULT arg is doing. Obviously I don't
understand that: would you elaborate?

Thanks,
Eric





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