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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: How to make tasks to run in parallel
Date: Tue, 17 Oct 2017 09:47:10 +0200
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Date: 2017-10-17T09:47:10+02:00
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On 17/10/2017 09:32, reinert wrote:

> It sometimes use:
> "type Real is Digits 18;"
> 
> I see the point (sometimes) using "substype" here. But I also like to
> avoid to add meter and seconds :-) I.e. to be "clean" with respect
> to  dimensions/units.

GNAT has a non-standard dimension aspect which does that.

But that is a wrong approach. Dimension cannot be made a part of the 
type. Because that would preclude major use cases where dimensioned 
values are actually used. Dimension should be subtype constraint.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de