Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Programming > C++ Moderated > Re: query on dy...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 4 of 5 Topic 9562 of 9831
Post > Topic >>

Re: query on dynamic cast

by Carl Barron <cbarron413@[EMAIL PROTECTED] > Apr 30, 2008 at 10:27 AM

In article
<69f5f1ed-a5bc-4409-b1f9-b2671b85da02@[EMAIL PROTECTED]
>,
Bharath <tiromarch08@[EMAIL PROTECTED]
> wrote:

> Hello All,
> I was trying the below example for which I have a doubt. My doubt is
> that why is virtual needed for function "dummy" in class CBase which
> makes program compile?
> Secondly, As per my current understanding of dynamic cast, pba is a
> object of CDerived which RTTI knows and hence cast should be
> successful. Isn't it? Which concept I didn't understand here ?
> 
   because the base claass with no virtual functions/dtor does not
generate any RTTI info, since the base class has no runtime virtual
calls nothing needs to be generated, It should work if the base class
had a virtual dtor.

-- 
      [ See http://www.gotw.ca/resources/clcm.htm
for info about ]
      [ comp.lang.c++.moderated.    First time posters: Do this! ]
 




 5 Posts in Topic:
query on dynamic cast
Bharath <tiromarch08@[  2008-04-30 03:56:04 
Re: query on dynamic cast
Francis Glassborow <fr  2008-04-30 10:27:43 
Re: query on dynamic cast
Tony Delroy <tony_in_d  2008-04-30 10:27:06 
Re: query on dynamic cast
Carl Barron <cbarron41  2008-04-30 10:27:35 
Re: query on dynamic cast
Thomas Maeder <maeder@  2008-04-30 10:43:22 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Sat Jul 26 2:53:39 CDT 2008.