GNU bug report logs - #11988
eval-case redefinition?

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Daniel Llorens <daniel.llorens <at> bluewin.ch>
Subject: bug#11988: closed (Re: bug#11988: eval-case redefinition?)
Date: Tue, 21 Jan 2014 05:30:03 +0000

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Your bug report

#11988: eval-case redefinition?

which was filed against the guile package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 11988 <at> debbugs.gnu.org.

-- 
11988: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11988
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mark H Weaver <mhw <at> netris.org>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 11988-done <at> debbugs.gnu.org, Daniel Llorens <daniel.llorens <at> bluewin.ch>
Subject: Re: bug#11988: eval-case redefinition?
Date: Tue, 21 Jan 2014 00:26:54 -0500

ludo <at> gnu.org (Ludovic Courtès) writes:

> Daniel Llorens <daniel.llorens <at> bluewin.ch> skribis:
>
>> I was cleaning up an old script which goes like this:
>>
>> (define (eval-case ...)  ...  val)
>>
>> (define var (eval-case ...))
>>
>> This worked from the REPL, but when loading the file with (load
>> "script"), var was always #<unspecified>. It turns out that (my)
>> eval-case is never executed in this case.
>
> It turns out that ‘eval-case’ is a macro, and it gets macro-expanded in
> the RHS of ‘define var’ above.

This bug is now fixed on the stable-2.0 branch.

  http://git.savannah.gnu.org/gitweb/?p=guile.git;a=commitdiff;h=8de355d08e25a877326489c4b0eb09d313c548dc

I'm closing the bug now.  Feel free to reopen if you think there's still
a problem.

    Thanks!
      Mark

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From: Daniel Llorens <daniel.llorens <at> bluewin.ch>
To: bug-guile <at> gnu.org
Subject: eval-case redefinition?
Date: Thu, 19 Jul 2012 15:22:44 +0200

This looks like a bug (v2.0.6).

I was cleaning up an old script which goes like this:

(define (eval-case ...)
  ...
  val)

(define var (eval-case ...))

This worked from the REPL, but when loading the file with (load "script"), var was always #<unspecified>. It turns out that (my) eval-case is never executed in this case.

So I look around to find that eval-case is something that has been replaced by eval-when and is now deprecated.

But no matter what eval-case is, it is bad that the redefinition is being ignored silently.

Regards,

	Daniel

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