2015-06-08 10:14 GMT-05:00 Nathann Cohen <nathann.co...@gmail.com>:

> Yo,
>
> > I disagree with that. There's some advantage: if your code only depends
> on
> > general mathematical properties of posets and not on the specific
> > implementation of the poset object, then it should be in the category.
>
> Absolutely no code in poset.py depends on the actual implementation.
> This is handled in hasse_diagram.py and graph/.
>
> Things will be fun when we will have two folders in Sage's src/
> directory, i.e. category/ and data_structures/
>

Well, a finite poset constructs a hasse diagram, so then it relies on some
structure.




>
> Nathann
>
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