This would definitely be a good optimization. Open a ticket.
Best,
Travis
On Tuesday, June 23, 2015 at 12:45:03 AM UTC-7, Jori Mäntysalo wrote:
>
> P = Poset({0:[1]})
> Q = Poset(P)
> L = LatticePoset(P)
> P._hasse_diagram is Q._hasse_diagram, P._hasse_diagram is L._hasse_diagram
>
> -->
>
> (True, False)
>
> Why so? Poset is immutable, so I don't understand why another copy of
> Hasse diagram is made.
>
> --
> Jori Mäntysalo
>
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