[GHC] #4880: Functor, Monad, Applicative instances for Data.Monoid.First, Data.Monoid.Last

[GHC]

#4880: Functor, Monad, Applicative instances for Data.Monoid.First,
Data.Monoid.Last
---------------------------------+------------------------------------------
    Reporter:  sclv              |       Owner:                
        Type:  proposal          |      Status:  new           
    Priority:  normal            |   Component:  libraries/base
     Version:  7.0.1             |    Keywords:                
    Testcase:                    |   Blockedby:                
          Os:  Unknown/Multiple  |    Blocking:                
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown  
---------------------------------+------------------------------------------
 First and Last are both wrappers for Maybe, so this is a very
 straightforward completion of missing instances.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4880>
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