[GHC] #974: Add unzipEithers, lefts, rights to Data.Either

[GHC]

#974: Add unzipEithers, lefts, rights to Data.Either
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 Reporter:  guest           |          Owner:         
     Type:  proposal        |         Status:  new    
 Priority:  normal          |      Milestone:         
Component:  libraries/base  |        Version:  6.6    
 Severity:  normal          |     Resolution:         
 Keywords:                  |     Difficulty:  Unknown
 Testcase:                  |   Architecture:  Unknown
       Os:  Unknown         |  
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Comment (by guest):

 Some suggest partitionEithers is a better name than unzipEithers because
 unzipEithers suggests that there is some sort of zipEithers.
 One concern is that partitionEithers is long for an identifier, but 16
 characters isn't unusually long for an identifier.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/974>
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