[GHC] #1134: swap minView/maxView return value

[GHC]

#1134: swap minView/maxView return value
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    Reporter:  jpbernardy       |       Owner:  jpbernardy 
        Type:  feature request  |      Status:  new        
    Priority:  normal           |   Milestone:  6.8        
   Component:  libraries/base   |     Version:  6.6        
    Severity:  normal           |    Keywords:  collections
  Difficulty:  Easy (1 hr)      |    Testcase:             
Architecture:  Unknown          |          Os:  Unknown    
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New proposed types:

 Data.Set:
 minView,maxView:: Monad m => Set a -> m (a, Set a)

 Data.Map:
 minViewWithKey,maxViewWithKey :: Monad m => Map k a -> m ((k,a), Map k a)
 minView,maxView :: Monad m => Map k a -> m (a, Map k a)

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1134>
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