[GHC] #15253: Add support for type-level integers

[GHC]

#15253: Add support for type-level integers
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        Reporter:  chessai           |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:  compiler,
                                     |  base
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 AntC):

 We already have type-level `Nat`. Then you can emulate `Integer` by
 pairing a `Nat` with type-level `Bool` to hold the sign.

 Do you have a stronger use case than "it would be nice to see"?

 Ryan's comment to your previous request ticket:14922#comment:3 applies
 here as well.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15253#comment:1>
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