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From: Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov>
Newsgroups: comp.lang.ada
Subject: Re: Container reqs
Date: 23 Oct 2001 16:07:15 -0400
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Date: 2001-10-23T20:09:08+00:00
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"Ehud Lamm" <mslamm@mscc.huji.ac.il> writes:

> <je@brighton.ac.uk> wrote in message
> news:3BD527A8.93C1F68B@brighton.ac.uk...
> > Yes; but if you *want* to avoid inheritance, the STL is an existence
> > proof for a possible solution... :-)
> >
> > OTOH, if you do want to use inheritance here, some trickery is probably
> > needed to avoid the library-level problem (since you'll presumably want
> > generic packages but don't want to force library-level instantiation).
> >
> 
> Life isn't simple, is it?
> 
> I outlined a basic approach that works for me, a few days a go (the abstract
> types package is parametreized by item. Inheritance, providing
> implementation, is done in child units).
> 
> Others presented their apporaches.
> 
> Let me say a few words concerning my point of view, from a teaching
> perspective. Since you teach too, I'd be happy to hear your views on these
> issues.

I think we can all agree that a library intended to be used as a
teaching example might be simpler than a library intended to be used
in general.

-- 
-- Stephe