GNU bug report logs - #59714
30.0.50; (void-function cl-letf)

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From: Augusto Stoffel <arstoffel <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 59714 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Manuel Uberti <manuel.uberti <at> inventati.org>
Subject: bug#59714: 30.0.50; (void-function cl-letf)
Date: Wed, 30 Nov 2022 21:13:10 +0100

On Wed, 30 Nov 2022 at 14:45, Stefan Monnier wrote:

>> So you must (require 'cl-lib) to be able to use cl-letf.
>
> Definitely.
> The `cl-loaddefs.el` is used to autoload things *after* that step, so
> that loading `cl-lib` doesn't need to eagerly load all the files that
> comprise `cl-lib`.

Okay, that explains many things...  FWIW, it has always confused me that
C-h f cl-letf RET says

    cl-letf is an autoloaded Lisp macro in ‘cl-macs.el’.

From a user perspective, the autoloadedness claim is definitely less
than 50% true.

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