GNU bug report logs - #69120
Spurious "function is not known to be defined" if defined in `use-package` body

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Message #17 received at 69120 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 69120 <at> debbugs.gnu.org
Subject: Re: bug#69120: Spurious "function is not known to be defined" if
 defined in `use-package` body
Date: Wed, 14 Feb 2024 19:10:54 +0300

On Wed, 2024-02-14 at 18:07 +0200, Eli Zaretskii wrote:
> > From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
> > Cc: 69120 <at> debbugs.gnu.org
> > Date: Wed, 14 Feb 2024 18:28:15 +0300
> >
> > > >     test.el:6:4: Warning: the function ‘hello’ is not known to
> > > > be
> > > > defined.
> > >
> > > What do you get if you macro-expand your code?
> >
> > Wrapping the above code to a `(macroexpand …)` gives a:
> >
> >    "hello"
> >    nil
>
> You need to quote the form you pass to macroexpand, to get the
> expansion, I think.

Oh indeed you're right!

It gives me the following:

(progn (defvar use-package--warning196 #'(lambda (keyword err) (let ((msg (format "%s/%s: %s" 'prog-mode keyword (error-message-string err)))) (display-warning 'use-package msg :error)))) (condition-case-unless-debug err (progn (condition-case-unless-debug err (progn (defun hello nil (print "hello")) (hello)) (error (funcall use-package--warning196 :init err))) (if (not (require 'prog-mode nil t)) (display-warning 'use-package (format "Cannot load %s" 'prog-mode) :error))) (error (funcall use-package--warning196 :catch err))))

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