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=unavailable autolearn_force=no version=3.4.4
Path: 
 backlog4.nntp.dca3.giganews.com!border4.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!news.snarked.org!us.feeder.erje.net!feeder.erje.net!eu.feeder.erje.net!ecngs!feeder2.ecngs.de!217.188.199.168.MISMATCH!takemy.news.telefonica.de!telefonica.de!newsfeed.arcor.de!newsspool3.arcor-online.net!news.arcor.de.POSTED!not-for-mail
Date: Thu, 27 Mar 2014 11:54:24 +0100
From: Georg Bauhaus <rm-host.bauhaus@maps.futureapps.de>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9;
 rv:24.0) Gecko/20100101 Thunderbird/24.1.0
MIME-Version: 1.0
Newsgroups: comp.lang.ada
Subject: Re: Your wish list for Ada 202X
References: <7f1c01c5-3563-4b94-9831-152dbbf2ecdc@googlegroups.com>
 <206rutb9pqak$.11a3dufqvmrm4.dlg@40tude.net>
 <ea073fca-c607-476c-8c0b-81e2da1686b1@googlegroups.com>
 <lgvfga$bs7$1@loke.gir.dk> <o55d8h8hmzjb.591frxr75ryx$.dlg@40tude.net>
In-Reply-To: <o55d8h8hmzjb.591frxr75ryx$.dlg@40tude.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Message-ID: <53340361$0$22624$9b4e6d93@newsspool1.arcor-online.net>
Organization: Arcor
NNTP-Posting-Date: 27 Mar 2014 11:54:25 CET
NNTP-Posting-Host: d26f7681.newsspool1.arcor-online.net
X-Trace: DXC=;
 [DUO9Zm<oCFJ3]dH>I?oEic==]BZ:afN4Fo<]lROoRAFl8W>\BH3YBoGVDoLO5_QO;
 9OJDO8_SKFNSZ1n^B98iJ_5GM6_^Q_]C
X-Complaints-To: usenet-abuse@arcor.de
Xref: number.nntp.dca.giganews.com comp.lang.ada:185371
Date: 2014-03-27T11:54:25+01:00
List-Id: <comp.lang.ada>

On 27/03/14 09:26, Dmitry A. Kazakov wrote:
> Though, isn't it so that Ada-Comment and AI are meant to be
> unwelcoming in order to filter traffic?

comp.lang.ada could act as a filter and also as a place to get
feedback first, before suggesting something on Ada-Comment.

Since the Ada situation is such that one Ada vendor _is_ working
on integrating Ada and Parasail, I imagine that not every
suggestion WRT Ada is scrutinized with the help of the backwards
compatibility sledgehammer only.

Let me try one example that is about object construction:

(a)compilers diagnose when a variable is used before
     initialization;

(b) limited (derived) types do not have certain constructors
     that work up the derivation hierarchy;

(c) construction then requires C-style discipline lest it
     be forgotten, possibly leading to erroneous execution.

Then, ignoring the foreseeable backwards compatibility sledgehammer
for the moment; also ignoring the C-style questionimg about how
this is a real, pressing need of competent programmers blah-blah,
I'll ask:

Can there be a language rule that requires detection of
initialization of all parts of said object before use?

Is it worth it?

Is it simple?

Is it elegant?

Is it explicit enough?