#12955: Move __len__ and __getitem__ from Parent to FiniteEnumeratedSets
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Reporter: nthiery | Owner: nthiery
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.4
Component: categories | Resolution:
Keywords: days38 | Merged in:
Authors: Nicolas M. Thiéry | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #12957 | Stopgaps:
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Description changed by vdelecroix:
Old description:
> Title says it all. The point is that with the current implementation
> prevents categories to override those methods with something more
> interesting. Alas, the attached patch is not yet ready for
> consumption since there still remains finite (enumerated) sets in Sage
> that are not in FiniteSets of FiniteEnumeratedSets (#)
>
> In the mean time, #12956 provides a workaround for __getitem__.
New description:
Title says it all. The point is that with the current implementation
prevents categories to override those methods with something more
interesting. Alas, the attached patch is not yet ready for consumption
since there still remains finite (enumerated) sets in Sage that are not in
!FiniteSets of !FiniteEnumeratedSets (see #12913 and #12957)
In the mean time, #12956 provides a workaround for `__getitem__`.
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Ticket URL: <http://trac.sagemath.org/ticket/12955#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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