Hypergraph module (Re: instance Ord FiniteMap)

[Johannes Waldmann]

(Re: Eray's code using FiniteMaps/Sets)

> Comments welcome,

I'd suggest

> show s   = "mkSet " ++ show (setToList s)
> show fm  = "listToFM " ++ show (fmToList fm)

That way you can easily paste the output of a program
into your code back again, and you can easily tell 
the type of the `showed' object.

Best regards,
-- 
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