[boost] Re: Do we need a boost_exception class or idiom?

From: David B. Held (dheld_at_[hidden])
Date: 2002-11-22 15:11:52

Peter Dimov wrote:

> From: "David B. Held"
>
> >Peter Dimov wrote:
> >
> >>My answer is that specifying the precise semantics of what() for 
> >>every documented exception type is a necessary prerequisite. 
> >>(Implies that the standard needs to be fixed, too.)
> >
> >Would it be worthwhile to define a different member function 
> >(possibly in a std::exception-derived boost_exception) that returns 
> >the precisely specified key that you desire (rather than changing the 
> >requirements for what())?
>
> What _are_ the requirements for what()?

Well, as you were saying, that it return a unique documented value for 
each exception type.  Or did I not understand you correctly?

Dave