Re: first sight

From: bill_kempf (williamkempf_at_[hidden])
Date: 2002-01-17 12:26:44

--- In boost_at_y..., "terekhov" <terekhov_at_d...> wrote:
> --- In boost_at_y..., Tom Becker <voidampersand_at_f...> wrote:
> > >4) Allow the user to "eat" the exception.
> > >5) Make the cancellation "flag" a sticky flag, so if the 
> 
> I would much appreciate if someone would explain me
> the usefulness of N4 and N5 (other than ability
> to play tennis, I mean N4 handler and cancel.point/
> thread::exit(...)).

You yourself have been arguing for N4.  N5 just insures the request 
doesn't silently go away if someone inadvertantly "eats" the 
exception.

> Why not just say that it is *undefined* behavior?

You mean say it's undefined behavior if the user doesn't rethrow?  
What does this specification buy either the user or the implementer?

Bill Kempf