[GHC] #8797: Generics instances for monoid and applicative newtypes

[GHC]

#8797: Generics instances for monoid and applicative newtypes
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        Reporter:  jcristovao  |            Owner:
            Type:  feature     |           Status:  new
  request                      |        Milestone:
        Priority:  normal      |          Version:  7.6.3
       Component:              |         Keywords:
  libraries/base               |     Architecture:  Unknown/Multiple
      Resolution:              |       Difficulty:  Easy (less than 1 hour)
Operating System:              |       Blocked By:
  Unknown/Multiple             |  Related Tickets:
 Type of failure:              |
  None/Unknown                 |
       Test Case:              |
        Blocking:              |
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Comment (by dreixel):

 `StandaloneDeriving` can be used to get these instances in user code, but
 I don't see a reason why they shouldn't be provided directly where the
 type is defined.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8797#comment:1>
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