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From: "Grein, Christoph" <christoph.grein@eurocopter.com>
Newsgroups: comp.lang.ada
Subject: Re: Anybody in US using ADA ? One silly idea..
Date: Thu, 16 Jan 2003 12:10:22 +0100 (MET)
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Date: 2003-01-16T12:10:22+01:00

> > Not at all, your amplification brings the point out more fully; but it
> > should be said that:
> >
> > >             SUBTYPE S IS INTEGER RANGE READ .. READ;
> >
> > is formally undefined, as the language does not specify the order in which
> > the lower and upper bounds of the range are evaluated.
> >
> Which is easily solved by saying:
>      Lower : constant Integer := Read;
>      Upper : constant Integer := Read;
>      subtype S is Integer range Lower..Upper;
> 
> (Fortunately, declarations *are* elaborated in order :-)

which, by RM 3.3.1(7), is the same as

       Lower, Upper: constant Integer := Read;