[GHC] #15610: GHCi command to list instances a (possibly compound) type belongs to

[GHC]

#15610: GHCi command to list instances a (possibly compound) type belongs to
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  lowest            |            Milestone:
       Component:  Compiler          |              Version:
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15613            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Iceland_jack):

 xldenis created a GHC proposal https://github.com/ghc-proposals/ghc-
 proposals/pull/166

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15610#comment:5>
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