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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Subtype predicates
Date: Wed, 31 Aug 2016 13:16:52 -0500
Organization: JSA Research & Innovation
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Date: 2016-08-31T13:16:52-05:00
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"Shark8" <onewingedshark@gmail.com> wrote in message 
news:8955f6b0-18c6-41b9-91bf-b756189f53db@googlegroups.com...
...
> Hm, another argument for a 'Type attribute, then we could say
>
> type Human_Life_Span is range 0 .. 130
>  with Default_Value => Human_Life_Span'Type'First;

We examined that extensively, since someone (you, perhaps??) already 
suggested it. It's a can of worms, in fact a case of worms. See AI12-0123-1 
for some problems.

The odds of Ada adding this attribute are roughly the same as me marrying a 
supermodel.

                                   Randy.