From: Robert A Duff <bobduff@shell01.TheWorld.com>
Subject: Re: Extension of non-limited type needs limited component
Date: Fri, 15 Nov 2002 00:30:03 GMT
Date: 2002-11-15T00:30:03+00:00 [thread overview]
Message-ID: <wccel9nhdys.fsf@shell01.TheWorld.com> (raw)
In-Reply-To: 3vb7tug4h99mmalcn0l5ul18cu0ui6i458@4ax.com
Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> writes:
> Which also raises an interesting question, whether T'Class should
> always inherit "non-limitness" of T. Or more generally shouldn't one
> have an ability to disallow primitive operations (like ":=" in case of
> non-limited->limited mutation)?
>
> Let we allow disallowing, then either
>
> 1. ":=" should dispatch in X:=Y to a disallowed operation, thus raise
> an exception and so refuse to copy the limited components.
Compile time errors are good. Exceptions (run-time errors) are evil.
This is not SmallTalk, where you can dispatch to a method that does not
exist.
- Bob
next prev parent reply other threads:[~2002-11-15 0:30 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-13 10:03 Extension of non-limited type needs limited component Mike
2002-11-13 12:06 ` Jean-Pierre Rosen
2002-11-14 9:26 ` Mike
2002-11-14 11:43 ` David C. Hoos, Sr.
2002-11-14 12:33 ` Jean-Pierre Rosen
2002-11-14 14:27 ` Dmitry A. Kazakov
2002-11-14 19:25 ` Randy Brukardt
2002-11-15 10:04 ` Dmitry A. Kazakov
2002-11-15 22:09 ` Robert A Duff
2002-11-16 12:39 ` Dmitry A. Kazakov
2002-11-16 16:15 ` Robert A Duff
2002-11-17 11:14 ` Dmitry A. Kazakov
2002-11-17 12:26 ` Dale Stanbrough
2002-11-18 20:33 ` Randy Brukardt
2002-11-18 21:48 ` Eric
2002-11-19 14:38 ` Eric
2002-11-15 21:41 ` Robert A Duff
2002-11-16 3:54 ` Randy Brukardt
2002-11-15 0:30 ` Robert A Duff [this message]
2002-11-15 10:22 ` Dmitry A. Kazakov
2002-11-15 21:56 ` Robert A Duff
2002-11-16 12:39 ` Dmitry A. Kazakov
2002-11-14 23:39 ` Robert A Duff
2002-11-15 21:51 ` Mike
2002-11-13 14:28 ` Robert A Duff
2002-11-14 9:33 ` Mike
2002-11-14 9:35 ` Lutz Donnerhacke
2002-11-14 21:41 ` Robert A Duff
-- strict thread matches above, loose matches on Subject: below --
2002-11-15 10:47 Grein, Christoph
2002-11-15 12:12 ` Dmitry A. Kazakov
2002-11-15 13:29 ` Jean-Pierre Rosen
2002-11-15 14:34 ` Dmitry A. Kazakov
2002-11-15 21:26 ` Robert A Duff
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