Re: [boost] Runtime error reporting

From: Greg Colvin (gcolvin_at_[hidden])
Date: 2001-03-20 18:54:13

From: Jesse Jones <jejones_at_[hidden]>
> >Let me suggest the following idiom as a reasonable way to report
> >fatal runtime errors:
> >
> >   template <typename X>
> >      void error(const X& x) throw() {
> >         throw x;
> >      }
> >
> >Yes, it looks silly.  But it will force a call to unexpected(),
> >which by default will terminate(), and the client can replace
> >the default behavior via the standard set_unexpected() facility.
> 
> How does the handler get at x?

By rethrowing it and catching it.