[GHC] #13573: Add Foldable1 to base

[GHC]

#13573: Add Foldable1 to base
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              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:  #10365            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by andrewthad):

 Those things aside, in general, I am in favor of getting `Foldable1` into
 `base` (with the same name that it currently has). I would like for the
 typeclass to have more methods though, and I'd like for there to be a
 longer-term plan around fixing `Foldable`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13573#comment:14>
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