[GHC] #15591: Inconsistent kind variable binder visibility between associated and non-associated type families

GHC ghc-devs at haskell.org
Mon Sep 3 12:53:22 UTC 2018


#15591: Inconsistent kind variable binder visibility between associated and non-
associated type families
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
                                     |  TypeApplications, TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 >The specification of Specified/Inferred is very simple: if the user has
 written the variable name in the declaration, the variable is Specified.
 If not, it's Inferred.

 Regardless of CUSK or non-CUSK?  I think so, but let's say so explicitly.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15591#comment:6>
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