[GHC] #13201: Type-level naturals aren't instantiate with GHCi debugger

[GHC]

#13201: Type-level naturals aren't instantiate with GHCi debugger
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        Reporter:  konn              |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
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 goldfire):

 Sadly, the GHCi debugger has no current maintainer. It is slowly rotting.
 Would you (for all values of "you") be able to step in and help? :)

 I can't even offer to advise, because I have no clue how the code works.
 But, if someone stood up to say that they would maintain it, we could
 perhaps hunt down the original implementor and get more info.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13201#comment:1>
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