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From: Mats Weber <Mats.Weber@elca-matrix.ch>
Subject: Re: Equality operator overloading in ADA 83
Date: 1997/04/23
Message-ID: <335E0A26.16D0@elca-matrix.ch>#1/1
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References: <01bc4e9b$ac0e7fa0$72041dc2@lightning>
 <mheaney-ya023680002204970006190001@news.ni.net>
 <335CAEFE.35DC@elca-matrix.ch>
 <mheaney-ya023680002204972052190001@news.ni.net>
Organization: ELCA Matrix SA
Reply-To: Mats.Weber@elca-matrix.ch
Newsgroups: comp.lang.ada
Date: 1997-04-23T00:00:00+00:00
List-Id: <comp.lang.ada>


> What are you saying?  That one should stick with the full-type-tagged
> technique, and not use the pad-with-extra-characters technique?

That depends on the overhead of tagged types versus regular records, and
on the max length the package is instantiated with.

> If I want to append characters to my string, that means I have to change
> the value of the discriminant, and therefore must use aggregate assignment:
> 
> [...]
> 
> N'est-ce pas?

Sure. Maybe a good optimizer can do something here and detect that the
beginning of the string does not change.