From: Pascal Obry <p.obry@wanadoo.fr>
Subject: Re: Two class-wide operands, but only one controlling
Date: 24 Nov 2002 22:56:44 +0100
Date: 2002-11-24T21:57:23+00:00 [thread overview]
Message-ID: <u7kf2ws0z.fsf@wanadoo.fr> (raw)
In-Reply-To: 3de0b9be$0$304$bed64819@news.gradwell.net
porton@ex-code.com (Victor Porton) writes:
> 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 :-(
Certainly not. 'Class formal parameters are not controlling operands, your
Next procedure above is perfectly legal.
> It was simple in C++. Ada has disadvantages...
No, you misunderstood Ada :)
> > The actual parameter of a class-wide formal parameter cannot be a
> > controlling operand.
>
> Samuel, di you meant vice versa?
No, we have be 2 of us saying the same thing but you did not listen :)
Pascal.
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next prev parent reply other threads:[~2002-11-24 21:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-23 16:10 Two class-wide operands, but only one controlling Victor Porton
2002-11-23 19:50 ` Pascal Obry
2002-11-24 8:27 ` Victor Porton
2002-11-24 8:59 ` Samuel Tardieu
2002-11-24 11:34 ` Victor Porton
2002-11-24 21:56 ` Pascal Obry [this message]
2002-11-25 22:17 ` Matthew Heaney
2002-11-27 17:25 ` Matthew Heaney
2002-11-25 19:19 ` Matthew Heaney
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