From: "David C. Hoos" <david.c.hoos.sr@ada95.com>
Subject: Re: Ranges and discriminant constraints
Date: Sat, 7 Jun 2003 21:22:11 -0500
Date: 2003-06-07T21:22:11-05:00 [thread overview]
Message-ID: <jYwEa.2963$7l6.2875@fe03.atl2.webusenet.com> (raw)
In-Reply-To: 665e587a.0306071258.1a8711cc@posting.google.com
"Vadim Godunko" <vgodunko@vipmail.ru> wrote in message
news:665e587a.0306071258.1a8711cc@posting.google.com...
> Hello,
>
> Does anybody explain me why language allow constraint discriminant of
> discrete type to some value, but not allow constraint to range?
To constrain a discrete type to a more narrow range, you use a subrtype --
e.g.:
type my_enum is (a, b, c, d, e);
subtype my_constrained_enum is my_enum range b .. d;
>
> Thanks,
> Vadim Godunko
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> comp.lang.ada mailing list
> comp.lang.ada@ada.eu.org
> http://ada.eu.org/mailman/listinfo/comp.lang.ada
>
>
next prev parent reply other threads:[~2003-06-08 2:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-07 20:58 Ranges and discriminant constraints Vadim Godunko
2003-06-07 21:51 ` AG
2003-06-08 6:00 ` Vadim Godunko
2003-06-08 7:45 ` Dmitry A. Kazakov
2003-06-08 2:22 ` David C. Hoos [this message]
2003-06-08 7:21 ` AG
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