GNU bug report logs - #12367
24.2.50; cl-defun: unused key args are picked up as unused variables

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Package: emacs;

Reported by: Christopher Schmidt <christopher <at> ch.ristopher.com>

Date: Thu, 6 Sep 2012 12:20:02 UTC

Severity: minor

Found in version 24.2.50

Done: Christopher Schmidt <christopher <at> ch.ristopher.com>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: 12367 <at> debbugs.gnu.org
Subject: bug#12367: 24.2.50; cl-defun: unused key args are picked up as unused variables
Date: Thu, 06 Sep 2012 10:18:14 -0400

>     ;; -*- lexical-binding: t -*-
>     (require 'cl-lib)
>     (cl-defun rms (&key foo))
> Byte compile this piece of code.
>     Warning: Unused lexical variable `foo'

The warning is fine.  But I guess the problem is that the normal fix
(which is to rename `foo' to `_foo') won't work because it forces
callers to use :_foo which is wrong.


        Stefan
This bug report was last modified 11 years and 357 days ago.

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