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
--
Ashley Yakeley
Seattle, WA
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