[GHC] #5242: IntMap.differenceKeysSet for removing an IntSet of keys

[GHC]

#5242: IntMap.differenceKeysSet for removing an IntSet of keys
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    Reporter:  liyang             |        Owner:  fox@…                             
        Type:  feature request    |       Status:  patch                             
    Priority:  normal             |    Milestone:                                    
   Component:  libraries (other)  |      Version:  7.1                               
    Keywords:  containers         |     Testcase:                                    
   Blockedby:                     |   Difficulty:                                    
          Os:  Unknown/Multiple   |     Blocking:                                    
Architecture:  Unknown/Multiple   |      Failure:  None/Unknown                      
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Changes (by igloo):

  * owner:  => fox@…


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5242#comment:2>
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