[GHC] #14273: Typed holes' "valid substitutions" suggestions are oblivious to type class constraints

GHC ghc-devs at haskell.org
Tue Jan 16 18:36:39 UTC 2018


#14273: Typed holes' "valid substitutions" suggestions are oblivious to type class
constraints
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  Tritlo
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler (Type    |              Version:  8.3
  checker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9091, #9479      |  Differential Rev(s):  Phab:D4315
       Wiki Page:                    |
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Comment (by Tritlo):

 So I've responded to the comments and made some additional improvements
 and I think everything is in order for it to be patched now.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14273#comment:20>
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