[GHC] #1816: Add Data.Set.mapMaybe

[GHC]

#1816: Add Data.Set.mapMaybe
-------------------------------+--------------------------------------------
  Reporter:  guest             |          Owner:                  
      Type:  proposal          |         Status:  new             
  Priority:  normal            |      Milestone:  Not GHC         
 Component:  libraries/base    |        Version:                  
Resolution:                    |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
-------------------------------+--------------------------------------------
Changes (by bgamari):

 * cc: bgamari@… (added)
  * failure:  => None/Unknown
  * status:  closed => new
  * resolution:  wontfix =>
  * version:  6.8 =>


Comment:

 Would it be possible to reconsider this proposal? I can bring the patch up
 to date if necessary.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1816#comment:5>
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