[GHC] #4887: add a Location interface for element-wise operations on Data.Map

[GHC]

#4887: add a Location interface for element-wise operations on Data.Map
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    Reporter:  ross              |       Owner:                   
        Type:  proposal          |      Status:  new              
    Priority:  normal            |   Component:  libraries (other)
     Version:  7.0.1             |    Keywords:                   
    Testcase:                    |   Blockedby:                   
          Os:  Unknown/Multiple  |    Blocking:                   
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown     
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Comment(by tibbe):

 Attached results for the `benchmarks/Map.hs` benchmark. `baseline.csv` is
 the benchmark data for the current API and `mapops.csv` is the benchmark
 data for the current API implemented in terms of `Location`.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4887#comment:1>
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