[Openmcl-devel] Specializing on nil

Gary Byers gb at clozure.com
Sun Sep 28 23:40:33 PDT 2003

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Date: Mon, 29 Sep 2003 00:40:33 -0600 (MDT)
From: "Gary Byers" <gb at clozure.com>
To: "=?ISO-8859-2?Q?Oliver_Markovi=E6?=" <entrox at entrox.org>
Subject: Re: [Openmcl-devel] Specializing on nil
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On Tue, 23 Sep 2003, Gary Byers wrote:

> On Sun, 21 Sep 2003, [ISO-8859-2] Oliver Markovi=E6 wrote:
> >
> > ? (load "asdf.lisp")
> >  > Error in process listener(1): Class named OPERATION not found.
> >  > While executing: FIND-CLASS
> >
> This seems to be something different (perhaps one of the defining macros
> should be more careful about an EVAL-WHEN in its expansion ?).  I'll try
> to look into it when I get back from vacation later this week.

I couldn't reproduce this: loading the current version of asdf.lisp was
uneventful in the released 0.14-030901 (or anything relatively recent.)

Welcome to OpenMCL Version (Alpha: Darwin) 0.14-030901!
? (load "/usr/local/src/asdf/asdf.lisp")
? asdf:*asdf-revision*
(1 77)

I wouldn't want to claim that there isn't a CLOS defining macro somewhere
that needs to be more careful about EVAL-WBEN clauses in its expansion,
but if such a bug exists this doesn't seem to be a way of provoking it.

(I don't have a good guess as to why this failed for you.)

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