From: bobduff@world.std.com (Robert A Duff)
Subject: Re: Abstract type derivation?
Date: 1996/04/10
Date: 1996-04-10T00:00:00+00:00 [thread overview]
Message-ID: <DpnCGG.46M@world.std.com> (raw)
In-Reply-To: 4kb0hb$k87@dfw.dfw.net
In article <4kb0hb$k87@dfw.dfw.net>, David Weller <dweller@dfw.net> wrote:
>I want to create an abstract type that is derived from Controlled
>(which is itself abstract).
type Queue is abstract new Controlled with private;
^^^^^^^^
Also, to prevent objects from being created, consider using unknown
discriminants.
- Bob
next prev parent reply other threads:[~1996-04-10 0:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-04-08 0:00 Abstract type derivation? David Weller
1996-04-10 0:00 ` Robert A Duff [this message]
1996-04-12 0:00 ` Geert Bosch
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