GNU bug report logs - #35663
27.0.50; Eldoc support for apply

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From: Noam Postavsky <npostavs <at> gmail.com>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 35663 <at> debbugs.gnu.org
Subject: bug#35663: 27.0.50; Eldoc support for apply
Date: Thu, 09 May 2019 20:58:30 -0400

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> Hello,
>
> when editing something like
>
> (apply #'call-process
>   (car command)
>   nil
>   (if stderr-file (list t stderr-file) t)
>   nil
>   (append (cdr command) (list archive name)))
>
> eldoc support would be useful to see the argument names of
> 'call-process' instead of the signature of 'apply'.

Yes, I've kind of wanted something like this for a while.  

> +          ((and (memq (car current-fnsym) '(apply apply-partially))

funcall too please? :)

> We could also make the displayed text more special to show that this is
> actually an 'apply' call and handle the last argument specially but I
> think it would be overkill to add so much code for this side case.

Yeah, and I doubt any sort of eldoc display would be of much use for the
last apply arg anyway.

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