On Sun 17/01/10 4:47 PM , Twan van Laarhoven [email protected] sent:
> The Arrow class is too big, it includes too many things and it should be
> split up. This is yet another example. You can get some of the benefits of
> standard classes by making Transducer an instance of
> Control.Category.Category, for
> which you only need to implement (.) and id.
Yes, perhaps I'll do that. Is there any relatively accepted package that
defines PointedCategory?
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