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Newsgroups: comp.lang.ada
Date: Tue, 19 Jun 2018 04:36:06 -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:53158
Date: 2018-06-19T04:36:06-07:00
List-Id: <comp.lang.ada>

On Tuesday, June 19, 2018 at 2:35:30 AM UTC-5, G. B. wrote:
> Shark8 wrote:
>=20
> > I'd honestly like the ability to use X'Type; this would allow us to say
> > something like this:
> >=20
> > Procedure Swap( A, B : in out Some_Type ) is
> >   Temp : Constant B'Type :=3D B;
> > Begin
> >   B:=3D A;
> >   A:=3D Temp;
> > End Swap;
> >=20
> > Yeah, I know, it's a little thing and you can do it with generics, etc.
> > But that's not entirely the point, the point is that this allows the
> > declaration of types dependent on objects... it provides some of the
> > niceties of type-inference without having to resort to such
> > lazy/possibly-error-prone methodologies.
> >=20
>=20
> What is the =E2=80=98Size of B=E2=80=99Type?

Zero