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-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,8623fab5750cd6aa
X-Google-Attributes: gid103376,public
Path: 
 g2news1.google.com!news1.google.com!news.glorb.com!news.jgaa.com!news.hacking.dk!pnx.dk!munin.nbi.dk!not-for-mail
From: Jacob Sparre Andersen <sparre@nbi.dk>
Newsgroups: comp.lang.ada
Subject: Ragged arrays of strings (Was: Improving Ada's image)
Date: 19 Jun 2004 20:10:36 +0200
Organization: Munin
Sender: sparre@sparre.crs4.it
Message-ID: <plr7sb8llv.fsf_-_@sparre.crs4.it>
References: <40b9c99e$0$268$edfadb0f@dread16.news.tele.dk>
 <7J0xc.7371$8k4.269106@news20.bellglobal.com>
 <1086630278.542788@master.nyc.kbcfp.com>
 <8xlxc.27603$sS2.845496@news20.bellglobal.com>
 <1086715817.122983@master.nyc.kbcfp.com>
 <3Auxc.11998$XY6.1296622@read2.cgocable.net>
 <Ygyxc.21522$QT3.4694@nwrdny01.gnilink.net> <40C85035.4020706@noplace.com>
 <qShyc.51846$8k4.1132952@news20.bellglobal.com> <40C9EC3B.60304@noplace.com>
 <uvfhuc1n3.fsf@xsol.com> <LG8zc.24456$wi2.21812@nwrdny01.gnilink.net>
 <40CD90A4.8030005@noplace.com> <Emkzc.8773$nY.296856@news20.bellglobal.com>
 <40CEDCB5.9000509@noplace.com> <YFFzc.16347$nY.581559@news20.bellglobal.com>
 <1087325485.307616@master.nyc.kbcfp.com>
 <PsJzc.25516$7H1.856631@news20.bellglobal.com>
 <jlKzc.29910$mz.15226@nwrdny02.gnilink.net>
 <opr9no4qtd5afhvo@news.verizon.net>
 <AIKzc.29948$mz.28053@nwrdny02.gnilink.net>
 <ZJqdnWZ_Q9hfIEzdRVn-gQ@comcast.com> <1087488758.881520@master.nyc.kbcfp.com>
 <uoenh28v9.fsf@obry.org>
NNTP-Posting-Host: 80.241.165.43
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: munin.nbi.dk 1087668637 14603 80.241.165.43 (19 Jun 2004 18:10:37
 GMT)
X-Complaints-To: sparre@munin.nbi.dk
NNTP-Posting-Date: Sat, 19 Jun 2004 18:10:37 +0000 (UTC)
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2
Xref: g2news1.google.com comp.lang.ada:1695
Date: 2004-06-19T20:10:36+02:00
List-Id: <comp.lang.ada>

Pascal Obry wrote:

>    type String_Access is access constant String;
>    type Color_Set is array (Positive range <>) of String_Access;
> 
>    Red   : aliased constant String := "Red";
>    Green : aliased constant String := "Green";
>    Blue  : aliased constant String := "Blue";
> 
>    Colors : constant Color_Set := (Red'Access, Green'Access, Blue'Access);

I tend to use Ada.Strings.Unbounded for ragged arrays of strings.  I
suppose it gives a larger overhead than an array of pointers to
constant strings, but I like to avoid having to define the
intermediate objects (here the aliased constants Red, Green and Blue)
explicitly.

Jacob
-- 
"Nobody writes jokes in base 13."
 Douglas Adams