From: Robert A Duff <bobduff@shell01.TheWorld.com>
Subject: Re: Multiple interface inheritance workaround in Ada 95 / Ada 0x to satisfy a Java language advocate?
Date: Tue, 30 Jul 2002 20:22:48 GMT
Date: 2002-07-30T20:22:48+00:00 [thread overview]
Message-ID: <wcclm7tufs7.fsf@shell01.TheWorld.com> (raw)
In-Reply-To: 1028053093.903476@master.nyc.kbcfp.com
Hyman Rosen <hyrosen@mail.com> writes:
> But it's much simpler in Ada, since there is neither multiple
> inheritance nor interfaces. For the test to be potentially true,
> either I1 must be a subclass of I2, in which case the test
> succeeds immediately, or I2 is a subclass of I1, in which case
> we must actually examine item to see whether it inherits from
> an I2-derived class. If I1 and I2 are unrelated, the test will
> always be false, which is not true for C++ or Java.
^^^^^^^^^^^^^^^
No, it's always illegal (i.e. compile-time error).
- Bob
next prev parent reply other threads:[~2002-07-30 20:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-29 12:05 Multiple interface inheritance workaround in Ada 95 / Ada 0x to satisfy a Java language advocate? Colin Paul Gloster
2002-07-29 12:42 ` Jean-Pierre Rosen
2002-07-29 14:18 ` Colin Paul Gloster
2002-07-29 14:58 ` Jean-Pierre Rosen
2002-07-29 17:04 ` Pascal Obry
2002-07-30 13:57 ` Hyman Rosen
2002-07-30 14:27 ` Jean-Pierre Rosen
2002-07-30 15:30 ` Hyman Rosen
2002-07-30 17:34 ` Jim Rogers
2002-07-30 18:20 ` Hyman Rosen
2002-07-30 20:22 ` Robert A Duff [this message]
2002-07-30 19:17 ` Robert A Duff
2002-07-30 22:10 ` Hyman Rosen
2002-07-29 17:27 ` Hyman Rosen
2002-07-30 8:13 ` Dmitry A. Kazakov
2002-07-30 20:55 ` Robert Dewar
2002-07-31 22:08 ` Dmitry A.Kazakov
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox