#18223: cartesian products with orders
-------------------------------------+-------------------------------------
Reporter: dkrenn | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.7
Component: categories | Resolution:
Keywords: sd67 | Merged in:
Authors: Daniel Krenn | Reviewers: Benjamin Hackl
Report Upstream: N/A | Work issues:
Branch: u/dkrenn/cat | Commit:
/cartesian-product-posets | f3b1387b378ce406e04c6f45c6629595a46640c8
Dependencies: #18586 | Stopgaps:
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Changes (by vdelecroix):
* status: needs_review => needs_info
Comment:
Replying to [comment:35 dkrenn]:
> Replying to [comment:32 vdelecroix]:
> > 10. In the documentation <...>
>
> `order_le` is not a keyword. I've rewritten the doc to avoid this
confusion.
got it ;-)
> > 12. What is the point of adding `*kwargs` in the `__init__` method of
`CartesianProduct`? If this argument is not supported then it should
simply not exists.
>
> This boils down to our discussion from #18586: They are passed on to
`CartesianProduct` where there is at least a `flatten` keyword. Thus there
is a keyword, so arguments are simply passed.
I still do not understand at all. I am talking about
`sage.sets.cartesian_product.CartesianProduct`. Its constructor does not
pass its arguments to anybody. What is the subtle difference in behaviour
between `f` and `g` below?
{{{
def f(**kwds):
if kwds:
raise TypeError
...
def g():
...
}}}
The only thing I see is that it needs much more to write `f`.
--
Ticket URL: <http://trac.sagemath.org/ticket/18223#comment:36>
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