#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.wall...@…):
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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