[GHC] #8697: Type rationals

[GHC]

#8697: Type rationals
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        Reporter:  MikeIzbicki       |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by carter):

 @mike, you could actually use template haskell to write generate type
 rationals pretty easily. It should also work with 7.6 and earlier ones,
 though there may be a few corner cases in older ghcs

 something like $(makeRatType  7/8)  with makeRatType :: Rational ->  Q
 Type being suitably defined.

 Have you tried out doing that as a near term solution?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8697#comment:3>
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