[GHC] #9898: Wanted: higher-order type-level programming

[GHC]

#9898: Wanted: higher-order type-level programming
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              Reporter:  erisco      |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  normal      |          Version:  7.8.3
             Component:  Compiler    |         Keywords:
  (Type checker)                     |     Architecture:  x86_64 (amd64)
            Resolution:              |       Difficulty:  Unknown
      Operating System:  Windows     |       Blocked By:
       Type of failure:  GHC         |  Related Tickets:
  rejects valid program              |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by goldfire):

 Though I'm all for fixing this so that it's possible in GHC, you may also
 want to check out the `singletons` package, which goes to lengths to
 emulate this feature. See also the related paper
 [http://www.cis.upenn.edu/~eir/papers/2014/promotion/promotion.pdf here].

 One of these years, I hope to push for adoption of some of the ideas from
 that paper into GHC proper -- without defunctionalization, for sure. See
 sections 7.2 and 7.5.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9898#comment:3>
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