[asdf-devel] The issue at hand

[Anton Vodonosov]

24.01.2014, 22:58, "Robert P. Goldman" <rpgoldman at sift.info>:
> I believe that the issue was that Faré couldn't preserve both:
>
> 1. OPERATION is the universal superclass so that methods on it could do
> things like introspection, collect statistics, etc. and
>
> 2. OPERATION provides a certain expected set of behaviors to those who
> wish to provide their own subclasses.
>
> He had to choose one or the other, so he chose 1, and sacrificed 2.  He
> has successfully convinced me, at least, that he couldn't do both.

Idea.

Theoretically, OPERATION may be the root class and keep the old semantics
(downward + selfward + other). And subclasses override this semantics
as they do now: DOWNWARD-PERATION, SELFWARD-OPERATION, etc.

This may lead to some code duplication in ASDF.