Article View: comp.std.c++
Article #1204Re: Compiler should generate virtual destructors
From: David Hansen
Date: Mon, 04 Jan 1993 00:30
Date: Mon, 04 Jan 1993 00:30
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1767 bytes
In article <C0Ayt4.263@fiu.edu>, feathers@serss0 (Michael Feathers) writes:
|> In article <1992Dec31.050150.28929@ucc.su.OZ.AU> maxtal@extro.ucc.su.OZ.AU (John MAX Skaller) writes:
|> >I would like to propose that if a class has virtual functions,
|> >then any destructor generated by the compiler will be virtual
^^^^^^^^^^^^^^^^^^^^^^^^^
|> >by default.
|> >
[...]
|> This would be a way in which a function within the source code would be
|> virtual without the keyword 'virtual' having been used on it or a function of
|> the same name in an inherited class. That would bother me as a consistency
|> issue.
I think you misread the original post. Only the automagically generated
destructors would be virtual by default. If the programmer explicity
defined a destructor _without_ the virtual keyword, it would not be virtual
(unless _I_ misread the post :).
|>
|> >Disadvantage: might slow down destruction a little. Can be
|> >fixed by the programmer explicitly declaring a non-virtual
|> >destructor.
|>
|> The only way to make something explicity non-virtual would be the absence
|> of the 'virtual' keyword, unless we add a new keyword <shudder>.
Again, see comment above.
-=Dave
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Newsgroups: comp.std.c++ Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!umn.edu!myria.cs.umn.edu!hansen From: hansen@myria.cs.umn.edu (David Hansen) Subject: Re: Compiler should generate virtual destructors Message-ID: <1993Jan4.003054.9295@news2.cis.umn.edu> Sender: news@news2.cis.umn.edu (Usenet News Administration) Nntp-Posting-Host: myria.cs.umn.edu Organization: University of Minnesota References: <1992Dec31.050150.28929@ucc.su.OZ.AU> <C0Ayt4.263@fiu.edu> Date: Mon, 4 Jan 1993 00:30:54 GMT Lines: 30