Re: [boost] Re: downcasting smart pointers

From: Rainer Deyke (root_at_[hidden])
Date: 2001-05-18 21:33:20

----- Original Message -----
From: "Rainer Deyke" <root_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Friday, May 18, 2001 8:03 PM
Subject: Re: [boost] Re: downcasting smart pointers

>   class A {};
>   class B : public A {};
>
>   A a;
>   B *bp = dynamic_cast<B *>(&a);

I just noticed that a mistake in this example code I posted earlier today.
'A' needs a virtual function for 'dynamic_cast' to work.  Sorry about that.

--
Rainer Deyke (root_at_[hidden])
Shareware computer games           -           http://rainerdeyke.com
"In ihren Reihen zu stehen heisst unter Feinden zu kaempfen" - Abigor