[GHC] #3205: Generalized isomorphic deriving

[GHC]

#3205: Generalized isomorphic deriving
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        Reporter:  ajd               |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  ⊥
       Component:  Compiler          |              Version:  6.10.2
      Resolution:                    |             Keywords:  language,
                                     |  deriving
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by harpocrates):

 Isn't this feature request now implemented as `DerivingVia`? Perhaps we
 could close this ticket?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/3205#comment:5>
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