Proposal: Extensible exceptions

Ian Lynagh igloo at
Fri Jul 4 17:10:15 EDT 2008

On Fri, Jul 04, 2008 at 03:22:23PM -0400, Brandon S. Allbery KF8NH wrote:
> On 2008 Jul 4, at 9:56, Simon Marlow wrote:
> >In fact, this applies to catchAny too.  It should come with a strong  
> >warning, and a suggestion that any unrecognised exceptions should be  
> >re-thrown.  Most uses of catchAny are to implement
> Given that it just tries a catch with each exception in the list, why  
> couldn't it automatically re-throw if none matches?

I think you're confusing "catchAny" (which catches /any/ sort of
exception) with "catches" (which has a list of handlers for different
types, and does indeed rethrow exceptions that none of the handlers


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