[GHC] #13509: Perplexing type error

GHC ghc-devs at haskell.org
Sun Apr 2 13:36:45 UTC 2017


#13509: Perplexing type error
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
                                     |  LevityPolymorphism
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * keywords:   => LevityPolymorphism


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13509#comment:3>
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