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: 103376,2fc95e32fd071218
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2002-11-25 14:17:07 PST
Path: archiver1.google.com!postnews1.google.com!not-for-mail
From: mheaney@on2.com (Matthew Heaney)
Newsgroups: comp.lang.ada
Subject: Re: Two class-wide operands, but only one controlling
Date: 25 Nov 2002 14:17:07 -0800
Organization: http://groups.google.com/
Message-ID: <1ec946d1.0211251417.677738e6@posting.google.com>
References: <3ddfa8b8$0$304$bed64819@news.gradwell.net>
 <3de0b9be$0$304$bed64819@news.gradwell.net>
NNTP-Posting-Host: 66.162.65.162
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
X-Trace: posting.google.com 1038262627 19902 127.0.0.1 (25 Nov 2002 22:17:07
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: 25 Nov 2002 22:17:07 GMT
Xref: archiver1.google.com comp.lang.ada:31224
Date: 2002-11-25T22:17:07+00:00
List-Id: <comp.lang.ada>

porton@ex-code.com (Victor Porton) wrote in message news:<3de0b9be$0$304$bed64819@news.gradwell.net>...
> 
> Not what I need. basically I have a container and an iterator.
> Both a derived (in my case I need this) from abstract container
> and abstract iterator. I need procedure like:
> 
> procedure Next
>   (C: Abstract_Container'Class; I: in out Abstract_Iterator'Class);
>   
> but this is an error as we have two controlling operands of
> different types :-( I cannot make one of these non class-wide
> as both a abstract.
> 
> It was simple in C++. Ada has disadvantages...

Whatever you can do in C++, you can also do in Ada.

Post the C++ code (or just email it do me), and we'll see if we can't
figure out what the real problem is.