From: lutz@iks-jena.de (Lutz Donnerhacke)
Subject: Re: controlled type in generic package?
Date: 7 Feb 2001 10:11:26 GMT
Date: 2001-02-07T10:11:26+00:00 [thread overview]
Message-ID: <slrn9827l8.ml.lutz@taranis.iks-jena.de> (raw)
In-Reply-To: 95q19j$9d$1@usenet.rational.com
* Mark Lundquist wrote:
>Lutz Donnerhacke <lutz@iks-jena.de> wrote in message
>> Yep. The derivation tree must be public:
>
>That's not true! There's nothing wrong with this code...
>
>The compilation error that was reported would have been due to the
>instantiation. The instantiation is a copy of the generic template, so you
>can't instantiate a generic that does something that would be illegal to do
>in the same place if it weren't in a generic :-). In this case, that
>something is to declare a type extension that's statically deeper than the
>parent.
I don't understand the reason, but will keep it in mind, until I came across
this situation.
>You certainly can derive privately -- and should, unless there's a reason
>not to.
Fine.
next prev parent reply other threads:[~2001-02-07 10:11 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-06 11:06 controlled type in generic package? Nils Priebe
[not found] ` <slrn97vtf5.ho.lutz@taranis.iks-jena.de>
[not found] ` <95q19j$9d$1@usenet.rational.com>
2001-02-07 10:11 ` Lutz Donnerhacke [this message]
2001-02-07 21:57 ` Mark Lundquist
[not found] ` <95p2ab$463$1@nnrp1.deja.com>
2001-02-07 15:08 ` Jean-Pierre Rosen
2001-02-08 15:41 ` Ted Dennison
2001-02-08 18:21 ` Jean-Pierre Rosen
2001-02-08 16:31 ` Florian Weimer
2001-02-08 21:10 ` Brian Rogoff
2001-02-09 10:39 ` Florian Weimer
2001-02-09 17:02 ` Brian Rogoff
2001-02-09 18:45 ` Florian Weimer
2001-02-13 0:32 ` Nick Roberts
2001-02-14 0:30 ` Jon S Anthony
[not found] ` <x7vg0hd20cm.fsf@smaug.pushface.org>
[not found] ` <hovk6.96$aw5.304@www.newsranger.com>
2001-02-23 20:50 ` Simon Wright
[not found] ` <95q1fa$9e$1@usenet.rational.com>
2001-02-07 15:28 ` Ted Dennison
2001-02-07 16:29 ` Brian Rogoff
[not found] ` <3A82A66D.49DE7EBD@bton.ac.uk>
2001-02-08 15:15 ` Robert Dewar
2001-02-08 16:56 ` Florian Weimer
2001-02-09 10:25 ` John English
2001-02-09 19:46 ` Brian Rogoff
2001-02-07 18:52 ` Pat Rogers
2001-02-07 19:23 ` Pat Rogers
2001-02-07 19:50 ` Ted Dennison
2001-02-07 22:52 ` Jean-Pierre Rosen
2001-02-08 9:36 ` dmitry6243
2001-02-09 8:51 ` Jean-Pierre Rosen
2001-02-09 12:28 ` dmitry6243
2001-02-08 19:58 ` Mark Lundquist
2001-02-10 9:54 ` Thomas Wolf
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