GNU bug report logs - #24454
GOOPS problem with GNU Guile 2.1.4

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From: Jan Wedekind <jan <at> wedesoft.de>
To: Andy Wingo <wingo <at> pobox.com>
Cc: 24454-done <at> debbugs.gnu.org
Subject: bug#24454: GOOPS problem with GNU Guile 2.1.4
Date: Sun, 26 Feb 2017 09:47:41 +0000 (GMT)

On Wed, 22 Feb 2017, Andy Wingo wrote:

> On Sat 17 Sep 2016 22:43, Jan Wedekind <jan <at> wedesoft.de> writes:
>
>> The following program works fine under GNU Guile 2.0.12:
>>
>>     (use-modules (oop goops))
>>     (define-generic native-type)
>>     (define-method (native-type (i <integer>) . args) 0)
>>     (define-method (native-type (i <real>) . args) 1)
>>     (define-method (native-type (b <boolean>) . args) 2)
>>
>>     (native-type 1)
>>     (native-type 1.3)
>>     (native-type #f)
>>     (native-type 1 1.2)
>>     (native-type 1.4 2)
>>     (native-type 1.4 2 3)
>>     (native-type 1.4 1.5)
>>     (native-type #f #t)
>>
>> However under GNU Guile 2.1.4 [1] it fails with an error in
>> "multiple-arity-dispatcher":
>
> Thanks for the bug report!  Fixed in master.
>
>> Getting the backtrace didn't work:
>
> Oops :P  I fixed this too.
>
> Cheers,
>
> Andy

Thanks for fixing it. I can confirm that it works now.

Regards
Jan

"The purpose of abstraction is not to be vague, but to create a new semantic level
in which one can be absolutely precise." - Dijkstra

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