GNU bug report logs - #39395
GOOPS generic promotion fails for nary functions

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From: Rob Browning <rlb <at> defaultvalue.org>
To: 39395 <at> debbugs.gnu.org
Subject: bug#39395: GOOPS generic promotion fails for nary functions
Date: Fri, 07 Feb 2020 00:39:15 -0600

Rob Browning <rlb <at> defaultvalue.org> writes:

> And then I found that the the manual says this:
>
>   If symbol was previously bound to a Scheme procedure (or
>   procedure-with-setter), the old procedure (and setter) is incorporated
>   into the new generic function as its default procedure (and setter).
>
> So I wondered if this might be a bug, or was expected behavior.  It's
> also easy to work around -- just change the first define to a
> define-method.

Not sure if this might be related.  With guile-3.0

  (use-modules (oop goops))
  (define x close)
  (define-generic x)

produces:

  $ guile-3.0 -s test.scm
  ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
  ;;;       or pass the --no-auto-compile argument to disable.
  ;;; compiling /home/rlb/test.scm
  ;;; /home/rlb/test.scm:5:0: warning: shadows previous definition of `x' at /home/rlb/test.scm:4:0
  ;;; compiled /home/rlb/.cache/guile/ccache/3.0-LE-8-4.2/home/rlb/test.scm.go

Thanks
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
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