Re: Opaque objects and Emacs documentation

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@gmail.com>
> Date: Fri, 17 Jul 2020 08:02:29 -0400
> Cc: Dmitry Gutov <dgutov@yandex.ru>, Emacs developers <emacs-devel@gnu.org>
> 
> On Fri, 17 Jul 2020 at 07:14, Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > > Cc: emacs-devel@gnu.org
> > > From: Dmitry Gutov <dgutov@yandex.ru>
> > > Date: Fri, 17 Jul 2020 13:53:35 +0300
> > >
> > > It shouldn't come as a surprise that I think there is no better
> > > technological choice. Otherwise I would have used it.
> >
> > ??? You are saying that the _only_ way to design project.el is to use
> > generics at that high level?
> 
> That sounds like a bit of a misreading: Dmitry didn't say "_only_
> way", he said "there is no better" way.

OK, point taken.  But the question still stands, even with the
modified wording: is there really no way of comparable quality to
implement something like project.el except by keeping opaque objects
at those high levels?