Re: [GHC] #10760: Conflicting typefamily instances not reported with polykinds

11 Aug 2015

      #10760: Conflicting typefamily instances not reported with polykinds
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        Reporter:  steely            |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.3
      Resolution:  invalid           |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  GHC accepts       |  Unknown/Multiple
  invalid program                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by Richard Eisenberg ):

 In [changeset:"2da06d7c3fb0da894f5b5a6770c4e41aeee012cd/ghc" 2da06d7/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="2da06d7c3fb0da894f5b5a6770c4e41aeee012cd"
 User manual update, as prodded by #10760.

 This clarifies that kind variables are inputs to type families
 and can be used to distinguish instances.
 }}}

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10760#comment:3
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