Re: [boost] [smart_ptr] trunk versionof enable_shared_from_thisincompatible with TR1

From: Emil Dotchevski (emil_at_[hidden])
Date: 2008-04-29 18:38:41

On 4/29/08, Daniel Frey <d.frey_at_[hidden]> wrote:
>  I tried to do this and found one thing that I cannot do with the current
>  implementation of weak_ptr: I cannot test if it's empty. It lacks the
>  conversion to bool, similar to shared_ptr. Or is there any way to do
>  this I missed?
If you have an empty weak_ptr<foo> e, and another weak_ptr<foo> a,
which you need to test for emptiness, you can use !(e<a) && !(a<e).

Emil Dotchevski
Reverge Studios, Inc.
http://www.revergestudios.com/reblog/index.php?n=ReCode