From: Mikael Djurfeldt <mikael@djurfeldt.com>
To: Damien Mattei <damien.mattei@gmail.com>
Cc: guile-user <guile-user@gnu.org>
Subject: Re: GOOPS question
Date: Fri, 30 Apr 2021 13:08:30 +0200 [thread overview]
Message-ID: <CAA2XvwJuyhToHK3ZfWX=OYucgRJ8c9iHhykb+Mv0uBSFfc3FqQ@mail.gmail.com> (raw)
In-Reply-To: <CADEOadc09aequx31A7yQc8cYFta-WTH_Bp-qjWv3posOv5jcWw@mail.gmail.com>
On Fri, Apr 30, 2021 at 1:11 AM Damien Mattei <damien.mattei@gmail.com>
wrote:
> for example in the doc there is:
> (define-class <my-complex> (<number>) r i #:name "Complex")
>
> seems <number> superclass is of no use
>
Well, it certainly *is* of use in the sense that methods operating on
<number> will immediately start to also accept <my-complex> as an argument.
That might seem worrisome but is not if there is some agreement on which
operations should be implemented for all numbers. So, if you had previously
written an algorithm which operates on numbers, there's now a good chance
that it would also work for <my-complex> objects.
next prev parent reply other threads:[~2021-04-30 11:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-29 23:10 GOOPS question Damien Mattei
2021-04-30 5:52 ` Atom X
2021-04-30 7:55 ` Mikael Djurfeldt
2021-05-02 0:07 ` Damien Mattei
2021-05-02 10:14 ` Damien Mattei
2021-05-02 10:26 ` Mikael Djurfeldt
2021-05-02 10:58 ` Damien Mattei
2021-05-02 10:34 ` Damien Mattei
2021-05-02 10:35 ` tomas
2021-05-02 10:21 ` Mikael Djurfeldt
2021-05-08 21:11 ` Damien Mattei
2021-05-10 12:22 ` Mikael Djurfeldt
2021-04-30 7:57 ` Linus Björnstam
2021-04-30 9:47 ` Damien Mattei
2021-04-30 10:43 ` Mikael Djurfeldt
2021-04-30 11:08 ` Mikael Djurfeldt [this message]
2021-04-30 12:19 ` Stefan Israelsson Tampe
2021-04-30 14:50 ` Mikael Djurfeldt
2021-04-30 15:15 ` Mikael Djurfeldt
[not found] <Pine.GSO.4.05.10207071043010.9685-100000@sallust.ida.ing.tu-bs.de>
2002-07-08 18:26 ` goops question Marius Vollmer
[not found] ` <87fzyu9iu0.fsf@zagadka.ping.de>
2002-07-08 19:59 ` Dirk Herrmann
2002-07-09 21:17 ` Neil Jerram
-- strict thread matches above, loose matches on Subject: below --
2002-07-07 8:45 Dirk Herrmann
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