[GHC] #16326: Implement visible dependent quantification

[GHC]

#16326: Implement visible dependent quantification
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Compiler          |              Version:  8.7
      Resolution:                    |             Keywords:  GHCProposal
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #15658            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by RyanGlScott):

 Those are the exact same thing. The link you gave is the pull request that
 was later assigned the number 35 in `ghc-proposals`' indexing scheme when
 it was merged. (The number 81 just means that it was the 81st pull request
 that the repo had in its history.)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16326#comment:2>
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