[GHC] #2254: have Control.Arrow re-export (>>>) and (<<<)

[GHC]

#2254: have Control.Arrow re-export (>>>) and (<<<)
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    Reporter:  ross      |       Owner:                
        Type:  proposal  |      Status:  new           
    Priority:  normal    |   Component:  libraries/base
     Version:  6.8.2     |    Severity:  normal        
    Keywords:            |    Testcase:                
Architecture:  Unknown   |          Os:  Unknown       
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 #1773 split the Arrow class, making (>>>) and (<<<) functions in
 Control.Category. This breaks programs that use Control.Arrow.

 To avoid some of the breakage, the proposal is that Control.Arrow should
 re-export (>>>) and (<<<), imported from Control.Category.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2254>
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