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Date: Tue, 19 Jun 2018 12:30:35 -0700 (PDT)
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Subject: Re: Ada Successor Language
From: "Dan'l Miller" <optikos@verizon.net>
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Xref: reader02.eternal-september.org comp.lang.ada:53167
Date: 2018-06-19T12:30:35-07:00
List-Id: <comp.lang.ada>

On Tuesday, June 19, 2018 at 2:19:56 PM UTC-5, Paul Rubin wrote:
> "Dmitry A. Kazakov" writes:
> > There are 50 shades of mess. Ada's generics try to introduce some
> > weakly-typed contracts on the formal generic parameters, where C++
> > templates go completely untyped, but mess is always mess. You cannot
> > make a decent language out of macro processor.
>=20
> I don't understand what you're getting at.  Are Ada generics implemented
> with a macro processor?  C++ templates amount to that, but there are
> other, better ways to implement generics.

I think Dmitry is saying that the Ada's _LRM_ standard doesn't require that=
 better way.  GNAT's generics are closer to C++'s macro-esque approach, AIU=
I.  Conversely, Janus Ada's generics are at the other end of the spectrum, =
perhaps an exemplar model of "the better way" desired state.