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=1.3 required=5.0 tests=BAYES_00,INVALID_MSGID,
	MSGID_RANDY autolearn=no autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,e5eb8ca5dcea2827
X-Google-Attributes: gid103376,public
From: Robert Dewar <robert_dewar@my-dejanews.com>
Subject: Re: Ada OO Mechanism
Date: 1999/05/24
Message-ID: <7icgkg$k4q$1@nnrp1.deja.com>#1/1
X-Deja-AN: 481637880
References: <7i05aq$rgl$1@news.orbitworld.net> <7i17gj$1u1k@news2.newsguy.com>
 <t7lneeqlzf.fsf@calumny.jyacc.com>
X-Http-Proxy: 1.0 x23.deja.com:80 (Squid/1.1.22) for client 166.72.81.180
Organization: Deja.com - Share what you know. Learn what you don't.
X-Article-Creation-Date: Mon May 24 21:34:08 1999 GMT
Newsgroups: comp.lang.ada
X-Http-User-Agent: Mozilla/4.04 [en] (OS/2; I)
Date: 1999-05-24T00:00:00+00:00
List-Id: <comp.lang.ada>

In article <t7lneeqlzf.fsf@calumny.jyacc.com>,
  Hyman Rosen <hymie@prolifics.com> wrote:
> Could you give an example of this? I ask, because recently
Richard
> D. Riehle made a similar type of claim, and then declined to
post an
> example. I believe that many posters to this group are very
proficient
> in Ada but not as proficient in C++, so they may be mistaken
about
> what is difficult to do in C++. Posting an example allows
proficient
> C++ users to examine the apparently difficult code and offer
> alternatives.

Well obviously the case of extending an algebra that implements
symmetrical binary operators is a case more easily handled in
Ada than in C, I assume a specific example is not needed here?
But presumably you are looking for different kinds of things?

> (Note that I am not looking for arbitrary examples of where
Ada is
> better than C++. I know that Ada is better, for example, in
defining
> data storage layout that conforms to external specifications,
while
> C++ is better in providing automatic generic instantiation.)

Actually these two examples are not at all comparable. The
ability to declare data storage layout is a fundamental
functionality feature.

Automatic generic instantiation is a mechanism, which one may
or may not like. You can't really say that C++ is better in
this department if your viewpoint is that automatic generic
instantiation is a risky feature! So it is better to find
examples of fundamental functionality rather than mechanisms.

Of course the discussion about OO features is entirely
about mechanisms!


--== Sent via Deja.com http://www.deja.com/ ==--
---Share what you know. Learn what you don't.---