[GHC] #16255: Visible kind application defeats type family with higher-rank result kind

GHC ghc-devs at haskell.org
Sat Feb 2 00:15:24 UTC 2019


#16255: Visible kind application defeats type family with higher-rank result kind
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.7
  checker)                           |             Keywords:
      Resolution:                    |  TypeApplications, TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC accepts       |            Test Case:
  invalid program                    |  typecheck/should_fail/T16255
      Blocked By:                    |             Blocking:
 Related Tickets:  #15740            |  Differential Rev(s):
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/260
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * testcase:   => typecheck/should_fail/T16255
 * status:  patch => merge


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16255#comment:7>
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