[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:  7.4.1       
   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):

  * milestone:  => 7.4.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5242#comment:4>
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