The Right Approach to Exceptions

Andrei Alexandrescu SeeWebsiteForEmail at
Mon Feb 20 13:12:08 PST 2012

On 2/20/12 2:53 PM, H. S. Teoh wrote:
> On Mon, Feb 20, 2012 at 05:31:28PM -0300, Juan Manuel Cabo wrote:
>>> ...
>>> Sure. Again, this is not advocating replacement of exception hierarchies with tables!
>>> ...
>>> Andrei
>> I think that the case of rethrowing an exception with added detail is
>> the worst enemy of clean Exception hierarchies.
> Hmm. This is a valid point. Sometimes you want to add contextual details
> to an exception in order to provide the final catching code with more
> useful information. Otherwise you may end up with a chain of mostly
> redundant exception classes:

Yah, it does look we need to better investigate the Variant[string] 
info() primitive.


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