#18941: Poset documentation polishing: chains and antichains
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Reporter: jmantysalo | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.9
Component: documentation | Resolution:
Keywords: | Merged in:
Authors: Jori Mäntysalo | Reviewers: Kevin Dilks
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jmantysalo/poset_polishing_chains| ecb16e648cdff2cb22bc88c7fd01f114af8006a5
Dependencies: | Stopgaps:
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Comment (by ncohen):
> Duh. So there is no way at all in Python to check if a given container
item has fixed order?
What is a 'fixed order' from the point of view of the computer? What you
want to know is if the order given is the one *intended* by the user. I
don't think that there is a way to do that, neither in this language nor
in another. If you want something reliable, test that input is a list, or
just trust the user to not do anything stupid.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/18941#comment:25>
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