Re: [boost] [signals]: Making copies of a slot

From: Jody Hagins (jody-boost-011304_at_[hidden])
Date: 2004-09-23 05:54:50

Repost since a week has gone by without response (which seems like an
eternity on this list ;-).

On Thu, 16 Sep 2004 10:03:01 -0400
Jody Hagins <jody-boost-011304_at_[hidden]> wrote:

> 
> AFICT, the rationale for copying a slot is missing, hence the
> following questions...
> 
> 
>   boost::signal<void (int)> some_signal;
>   Some_Slot slot1;
>   some_signal.connect(slot1);
>   Some_Slot slot2(slot1);
>   some_signal(42);
> 
> 
> 
> The above code will only signal slot1.  If slot2 is a copy of slot1,
> should it also get the signal?  I know it does not work that way, but
> I was wondering why that decision was made.  Also, if I *do* want the
> copy to receive the same signals, how can I do so?
> 
> 
> Thanks!