No subject

Tue Nov 30 21:47:11 CET 2010

"Does anyone have useful functionality to go into a Cofunctor module
(beyond the class declaration)?"

Successful post-H98 additions to Base (Applicative, Arrows, ...)
brought a compelling programming style with them. For Comonads,
Category-extras does define some extra combinators but otherwise they
have perhaps seemed uncompelling.

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