Subject: SDL-News: Pure virtuality in SDL
From: DUBOIS Fabrice CNET/DTL/LAN (fabrice.dubois#cnet.francetelecom.fr)
Date: Wed Dec 09 1998 - 15:43:31 GMT
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-----From DUBOIS Fabrice CNET/DTL/LAN <fabrice.dubois#cnet.francetelecom.fr> to sdlnews -----
Dear SDL users,
Does the language provide a mechanism to declare a virtual object
(structure type, transition, procedure, etc.) as PURILY virtual ?
The aim is, just as in C++ for example, to FORCE the users of my
specification to redefine the object.
In addition, this would prevent users from instantiating a block-type
which is not supposed to be instanciated.
-----End text from DUBOIS Fabrice CNET/DTL/LAN <fabrice.dubois#cnet.francetelecom.fr> to sdlnews -----
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