Re: New New Callbacks Uploaded

From: William Kempf (sirwillard_at_[hidden])
Date: 2000-12-07 12:21:16

--- In boost_at_[hidden], Asger Alstrup Nielsen <alstrup_at_s...> wrote:
> > Down the road I'd expect some people would find a need for 
> > the larger concept, though it's definately geared towards GUI 
> > applications and so may not be applicable to everyone's needs.
> 
> As demonstrated in a recent thread, this larger concept allows a 
clean
> and simple de-coupled implementation of the Observer design 
pattern. So
> in as much as the Observer design pattern is a general pattern that 
is
> useful outside GUI code, so is the larger concept.

Observer can be implemented with the smaller concept.  It's the 
lifetime management issues that cause a need for the larger concept.  
These issues are (generally) more obvious with GUI systems.  This 
doesn't mean it's applicable only for GUIs.  I didn't mean to convey 
that.

> > Personally, I'd like to see both, but we at least need
> > the smaller version.
> 
> Personally, I only need the larger version ;-)

Then you don't have a need for threads ;).

Bill Kempf