[GHC] #9586: Implement Traversable/Foldable-Burning-Bridges Proposal

[GHC]

#9586: Implement Traversable/Foldable-Burning-Bridges Proposal
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              Reporter:  hvr         |            Owner:  hvr
                  Type:  task        |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Core        |          Version:
  Libraries                          |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Difficult (2-5
  Unknown/Multiple                   |  days)
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:  #9621
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D209   |
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Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:"ce23745147b9aab99187e266412efa27148a9b19/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="ce23745147b9aab99187e266412efa27148a9b19"
 Generalise `Control.Monad.{foldM,foldM_}` to `Foldable` (#9586)

 With this change `Control.Monad.foldM` becomes an alias for
 `Data.Foldable.foldlM`.

 Reviewed By: austin, ekmett

 Differential Revision: https://phabricator.haskell.org/D251
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9586#comment:31>
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