[GHC] #10450: Poor type error message when an argument is insufficently polymorphic

GHC ghc-devs at haskell.org
Wed Apr 19 14:33:52 UTC 2017


#10450: Poor type error message when an argument is insufficently polymorphic
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        Reporter:  sjcjoosten        |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Compiler (Type    |              Version:  7.8.2
  checker)                           |             Keywords:  RankNTypes,
      Resolution:                    |  TypeErrorMessages
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 simonpj):

 * keywords:  RankNTypes => RankNTypes, TypeErrorMessages


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10450#comment:4>
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