From: "Beard, Frank" <beardf@spawar.navy.mil>
To: "'comp.lang.ada@ada.eu.org'" <comp.lang.ada@ada.eu.org>
Subject: RE: Generic Formal Parameter for a Task Type
Date: Fri, 9 Mar 2001 17:53:21 -0500
Date: 2001-03-09T17:53:21-05:00 [thread overview]
Message-ID: <mailman.984178446.28638.comp.lang.ada@ada.eu.org> (raw)
-----Original Message-----
From: Tucker Taft [mailto:stt@averstar.com]
> Why not have a formal function that returns the Task_ID, rather
> than 'Terminated? That way, you can use the Ada.Task_Identification
> and Ada.Task_Attributes packages to get whatever else you need from the
> task, including task attributes...
Good idea. It didn't cross my mind. I still think too much in Ada 83 terms.
> If you wanted to avoid generics, you could define an abstract limited
> tagged type (say "Has_Task") which had various (abstract) primitive
> operations, including at least a "Task_ID" function. You would then
> extend from this type by adding a component of the task type of interest
> (and of course override the abstract primitives as appropriate).
> You could then manipulate objects of type Has_Task'Class, or references
> there-to, in a "Java"-like way ;-). You could also pass in any
> extension of Has_Task to a generic with a formal tagged derived type
> of "type My_Task is new Has_Task with private;".
Yeah! Whatever you said.
next reply other threads:[~2001-03-09 22:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-09 22:53 Beard, Frank [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-03-09 4:20 Generic Formal Parameter for a Task Type Beard, Frank
2001-03-09 5:24 ` James Rogers
2001-03-09 21:50 ` Tucker Taft
2001-03-10 0:14 ` Robert C. Leif, Ph.D.
2001-03-12 16:14 ` Tucker Taft
2001-03-10 3:25 ` James Rogers
2001-03-12 15:33 ` Stephen Leake
2001-03-12 16:11 ` Tucker Taft
2001-03-08 22:38 James Rogers
2001-03-08 23:27 ` Marin David Condic
2001-03-09 0:00 ` Robert A Duff
2001-03-09 0:16 ` Pat Rogers
2001-03-09 3:34 ` James Rogers
2001-03-09 4:26 ` Pat Rogers
2001-03-09 4:58 ` James Rogers
2001-03-09 15:50 ` Stephen Leake
2001-03-10 3:15 ` James Rogers
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox