[GHC] #667: Efficient Map <-> Set conversions

[GHC]

#667: Efficient Map <-> Set conversions
--------------------------------------+-------------------------------------
 Reporter:  jpbernardy                |          Owner:  jpbernardy
     Type:  feature request           |         Status:  assigned  
 Priority:  normal                    |      Milestone:  6.8       
Component:  libraries/base            |        Version:  6.4.1     
 Severity:  normal                    |     Resolution:            
 Keywords:  Data Map Set collections  |     Difficulty:  Unknown   
 Testcase:  N/A                       |   Architecture:  Unknown   
       Os:  Unknown                   |  
--------------------------------------+-------------------------------------
Changes (by igloo):

  * milestone:  => 6.8
  * testcase:  => N/A

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/667>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler