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Re: GOOPS generic methods and smobs

From: Mikael Djurfeldt
Subject: Re: GOOPS generic methods and smobs
Date: 27 Oct 2000 22:37:24 +0200
User-agent: Gnus/5.0807 (Gnus v5.8.7) Emacs/20.7

"Lars J. Aas" <address@hidden> writes:

> I just discovered that I can use generic methods and smobs together,
> something I didn't expect to work, nor have I seen it documented anywhere.
> (define-method (test-method arg) (display "default\n"))
> (define-method (test-method (arg <mysmob>)) (display "specific\n"))
> (test-method "string")
> => default
> (test-method (make-mysmob))
> => specific
> Is this something that is supposed to work, and will work in the future
> (as long as smobs are supported)?


> What is the class precedence list of a smob (is it directly under
> <top>,


> and can I get Guile (GOOPS) to believe that one smob type is derived
> >From another smob for use in generic method arbitration?


If your objects are related by inheritance, the recommended
representation will be GOOPS objects.  However, we need to develop the
C API first.

Best regards,

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