From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: 103376,11c5f8935404ea1
X-Google-Attributes: gid103376,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news1.google.com!news.glorb.com!solaris.cc.vt.edu!news.vt.edu!newsfeed-00.mathworks.com!nntp.TheWorld.com!not-for-mail
From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: loop on character
Date: Wed, 08 Oct 2008 18:50:25 -0400
Organization: The World Public Access UNIX, Brookline, MA
Message-ID: <wccvdw2r9am.fsf@shell01.TheWorld.com>
References: <Xns9B31EC66E2B01BerndSpechgmxcom@151.189.20.10>
NNTP-Posting-Host: shell01.theworld.com
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: pcls6.std.com 1223506225 20711 192.74.137.71 (8 Oct 2008 22:50:25
 GMT)
X-Complaints-To: abuse@TheWorld.com
NNTP-Posting-Date: Wed, 8 Oct 2008 22:50:25 +0000 (UTC)
User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (irix)
Cancel-Lock: sha1:MwTFqWeo7VaDOx+UE0JvJoeKG+Y=
Xref: g2news2.google.com comp.lang.ada:8013
Date: 2008-10-08T18:50:25-04:00
List-Id: <comp.lang.ada>

Bernd.Specht@gmx.com (Bernd Specht) writes:

> low : Character := '0';
> high : Character  := '9';
>
> for c in low .. high
> loop
> ...
> end loop;

If you do it that way, low and high should be constant.

Others have suggested "for C in Character...",
which is probably what you want.

Here's another variation:

subtype Digit is Character range '0'..'9';
for C in Digit loop...

- Bob