[GHC] #4189: (<.>) operator (generalizing (.) to Functor)

[GHC]

#4189: (<.>) operator (generalizing (.) to Functor)
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    Reporter:  uzytkownik        |       Owner:                
        Type:  feature request   |      Status:  new           
    Priority:  normal            |   Component:  libraries/base
     Version:  6.12.3            |    Keywords:                
          Os:  Unknown/Multiple  |    Testcase:                
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown  
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Comment(by malcolm.wallace@…):

 The type you have chosen for <.> is far from obvious.  Why not
 {{{
 (<.>) :: (b->c) -> (a->b) -> f a -> f c
 f <.> g = ((f . g) <$>)
 }}}
 for instance?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4189#comment:1>
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