[GHC] #13097: Num a => Num (Down a)

[GHC]

#13097: Num a => Num (Down a)
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  libraries/base    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3500
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"47be6444d35783eea7dc3ab8b2f11626777cdbd8/ghc" 47be644/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="47be6444d35783eea7dc3ab8b2f11626777cdbd8"
 Add instances for Data.Ord.Down

 Namely `Num`, `Functor`, `Applicative`, `Monad`, `Semigroup` and
 `Monoid` for `Data.Ord.Down` (#13097).

 Reviewers: austin, hvr, bgamari, RyanGlScott

 Reviewed By: bgamari, RyanGlScott

 Subscribers: RyanGlScott, rwbarton, thomie

 GHC Trac Issues: #13097

 Differential Revision: https://phabricator.haskell.org/D3500
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13097#comment:7>
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