#1773: Add Compositor class as superclass of Arrow, in Control.Compositor
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Reporter: guest | Owner:
Type: proposal | Status: new
Priority: normal | Milestone: Not GHC
Component: libraries/base | Version: 6.6.1
Severity: normal | Keywords:
Difficulty: Unknown | Os: Unknown
Testcase: | Architecture: Unknown
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The Compositor class has two members:
{{{
class Compositor comp where
identity :: comp a a
(>>>) :: comp a b -> comp b c -> comp a c
}}}
with the obvious monoid. A number of useful types are Compositors but not
Arrows.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1773>
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