From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada case-statement
Date: Wed, 14 Mar 2018 18:49:37 +0100
Date: 2018-03-14T18:49:37+01:00 [thread overview]
Message-ID: <p8bnbi$n0f$1@gioia.aioe.org> (raw)
In-Reply-To: 365d65ea-5f4b-4b6a-be9b-1bba146394ab@googlegroups.com
On 2018-03-14 18:35, Stephen Davies wrote:
> I guess that this has probably been considered before,
> but it would be nice if Ada allowed sub-cases, with
> coverage checking of the appropriate alternatives.
> This seems like a simpler change than some other recent
> ones (e.g. conditional expressions), and would remove
> one problem with not having non-contiguous subtypes.
> For example:
>
> case Calculate_Day is
> when Mon .. Fri =>
> ...
> when Weekend : Sat | Sun =>
> ...
> case Weekend is
> when Sat =>
> ...
> when Sun =>
> ...
> end case;
> end case;
>
> Ok, I know this isn't going to happen, I just wanted to
> put it out there anyway.
Great idea, would be useful for variant records and exception handlers too.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2018-03-14 17:49 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-14 17:35 Ada case-statement Stephen Davies
2018-03-14 17:49 ` Dmitry A. Kazakov [this message]
2018-03-15 0:57 ` Robert I. Eachus
2018-03-15 3:10 ` Dan'l Miller
2018-03-15 5:54 ` J-P. Rosen
2018-03-15 7:56 ` Niklas Holsti
2018-03-15 12:21 ` Dan'l Miller
2018-03-15 17:22 ` Mill processor (Was: Re: Ada case-statement) Niklas Holsti
2018-03-15 21:50 ` Ada case-statement Randy Brukardt
2018-03-14 22:22 ` Mehdi Saada
2018-03-14 23:16 ` Randy Brukardt
2018-03-15 5:04 ` gautier_niouzes
2018-03-15 7:50 ` Jacob Sparre Andersen
2018-03-15 22:05 ` Randy Brukardt
2018-03-15 8:37 ` Dmitry A. Kazakov
2018-03-15 22:20 ` Randy Brukardt
2018-03-16 8:54 ` Dmitry A. Kazakov
2018-03-16 23:49 ` Randy Brukardt
2018-03-17 7:59 ` Dmitry A. Kazakov
2018-03-15 15:37 ` Stephen Davies
2018-03-15 16:33 ` J-P. Rosen
2018-03-15 17:01 ` Dmitry A. Kazakov
2018-03-15 18:41 ` Shark8
2018-03-15 21:12 ` Jeffrey R. Carter
2018-03-18 5:41 ` Robert I. Eachus
2018-03-18 6:57 ` Spiros Bousbouras
2018-03-18 9:17 ` Jeffrey R. Carter
2018-03-18 12:53 ` Simon Wright
2018-03-15 18:50 ` Jere
2018-03-15 20:40 ` Anh Vo
2018-03-15 22:24 ` Randy Brukardt
2018-03-16 9:53 ` Stephen Davies
2018-04-03 17:56 ` marciant
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