From: Georg Bauhaus <bauhaus@futureapps.de>
Subject: Re: Generic Collection
Date: Fri, 11 May 2007 10:10:51 +0200
Date: 2007-05-11T10:10:51+02:00 [thread overview]
Message-ID: <1178871050.6451.13.camel@localhost.localdomain> (raw)
In-Reply-To: <1178837285.391940.192010@e65g2000hsc.googlegroups.com>
On Thu, 2007-05-10 at 15:48 -0700, andrew wrote:
> On May 10, 2:31 pm, Simon Wright <simon.j.wri...@mac.com> wrote:
> > > So, I'm thinking that many of the "capabilities" or operations I
> > > desire of the collection would have to be "dispatching" to the type of
> > > the collection object.
When is the type of the collection object determined? How?
> > Do you want to be able to add attributes to schemas? I would have
> > thought not ..
This is an important question, if not the important question.
I'd try to answer it first.
> So I think you are saying I would have one Collection package and it
> has three procedures called Add and they operate on three different
> types:
> Tuple
> Table
> Schema
> but then how do I later use the collection package for some other
> purpose?
If you want a collection that doesn't collect either Apples
or Oranges, but instead is capable of holding Apples, Oranges,
Cabbage, Motor_Oil, Whatever, you can have that, too. Is this
what you want?
> I don't understand why I would have run-time errors. Please expand
> that thought.
Just think of the consequences of Java pre-1.5 collections delivering
nothing but Object objects.
next prev parent reply other threads:[~2007-05-11 8:10 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-08 19:29 Generic Collection andrew
2007-05-08 21:00 ` Georg Bauhaus
2007-05-08 21:59 ` andrew
2007-05-09 14:51 ` andrew
2007-05-09 16:12 ` Georg Bauhaus
2007-05-09 18:54 ` andrew
2007-05-10 19:31 ` Simon Wright
2007-05-10 22:48 ` andrew
2007-05-11 8:10 ` Georg Bauhaus [this message]
2007-05-11 20:41 ` andrew
2007-05-11 21:28 ` Georg Bauhaus
2007-05-11 21:55 ` andrew
2007-05-12 7:18 ` Simon Wright
2007-05-12 7:52 ` Dmitry A. Kazakov
2007-05-13 11:00 ` Simon Wright
2007-05-13 12:11 ` Dmitry A. Kazakov
2007-05-16 0:27 ` Randy Brukardt
2007-05-16 6:05 ` Simon Wright
2007-05-16 7:17 ` Untagged types don't work right - was: " Grein, Christoph (Fa. ESG)
2007-05-16 13:27 ` Benjamin Place
2007-05-14 17:09 ` andrew
2007-05-14 20:00 ` Simon Wright
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