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Newsgroups: comp.lang.ada
Date: Mon, 28 Jan 2019 07:54:12 -0800 (PST)
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Subject: Re: class wide iterable (and indexable)
From: Shark8 <onewingedshark@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:55389
Date: 2019-01-28T07:54:12-08:00
List-Id: <comp.lang.ada>

On Wednesday, January 23, 2019 at 3:47:43 PM UTC-7, Randy Brukardt wrote:
> "Shark8" wrote in message 
> news:9eedf818-8bfb-465b-afe5-aa3fb0525948...
> > Wouldn't this be a non-issue if we could Static_Predicate Array-types like 
> > so?
> >
> > Type Some_String is Array(Positive range <>) of Character
> >  with Static-Predicate => Some_String'First = 1;
> 
> The idea of a static predicate is for them to stand-in for proper set 
> constraints (I would have preferred the latter, but I was alone on that), so 
> they don't have anything to do with array bounds.

What do you mean by "proper set constraints"? [And how would they look?]
Things like {x| x in {2**y where y in 0..15} }? (X in 1|2|4|8|16|..|32_768)