[GHC] #5538: Foldable typeclass: make foldl' and foldr' class methods

[GHC]

#5538: Foldable typeclass: make foldl' and foldr' class methods
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    Reporter:  guest             |       Owner:                
        Type:  task              |      Status:  new           
    Priority:  normal            |   Component:  libraries/base
     Version:  7.2.1             |    Keywords:                
    Testcase:                    |   Blockedby:                
          Os:  Unknown/Multiple  |    Blocking:                
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown  
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 Change the {{{Data.Foldable}}} module: move {{{foldl'}}} and {{{foldr'}}}
 functions into the {{{Foldable}}} type
 class so they can be defined efficiently in the instance definitions.

 See the discussion:
 http://www.haskell.org/pipermail/libraries/2011-June/016488.html

 The patch from the initial message is attached.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5538>
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