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From: vgodunko@vipmail.ru (Vadim Godunko)
Newsgroups: comp.lang.ada
Subject: Re: Ranges and discriminant constraints
Date: 7 Jun 2003 23:00:51 -0700
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"AG" <ang@xtra.co.nz> wrote in message news:<b7tEa.15312$JA5.298948@news.xtra.co.nz>...
> "Vadim Godunko" <vgodunko@vipmail.ru> wrote in message
> news:665e587a.0306071258.1a8711cc@posting.google.com...
> 
> > Does anybody explain me why language allow constraint discriminant of
> > discrete type to some value, but not allow constraint to range?
> 
> If I understood you correctly you mean something like this: [?]
> 
> type abc is (a, b, c);
> type test(y: abc) is record
>   ...
> z: test(a);      -- Which compiles
>   vs
> z: test(a..c);  -- Which doesn't
> 
Not exactly. I mean:

type abc is (a, b, c);
type r (k : abc) is record ...

subtype rab is r (a .. b);

procedure p (v : rab);