[GHC] #10514: Generic for existential types

[GHC]

#10514: Generic for existential types
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        Reporter:  andreas.abel      |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Core Libraries    |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by goldfire):

 Something tells me this is an open research problem...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10514#comment:5>
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