Simon Marlow simonmar at microsoft.com
Thu Aug 31 04:33:26 EDT 2006

On 30 August 2006 20:20, Ashley Yakeley wrote:

> John Goerzen wrote:
>> One thing that bugs me about Haskell is that exceptions are not
>> extensible. 
>> I don't know how to craft a good solution, but perhaps if I explain
>> the problem well, someone would come up with one.
> Open datatypes would be the best solution, I think.
>    http://www.informatik.uni-bonn.de/~loeh/OpenDatatypes.pdf

I don't think we need more extensions to do a reasonable job of
extensible exceptions:



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