#15696: Implement an_instance for more categories, and extend category_sample
---------------------------+----------------------------
Reporter: nthiery | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.1
Component: categories | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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category_sample should look deeper in the code to find categories. It
currently only looks into sage.categories.all, and misses axiom or
covariant functorial construction categories like Sets.Infinite or
Sets.CartesianProducts. It's not clear whether it should include
specialized categories like
{{{
sage.combinat.ncsf_qsym.generic_basis_code.BasesOfQSymOrNCSF
}}}
an_instance should be made to work at least for the categories
discovered by category_sample, and possibly more::
{{{
sage: Sets.CartesianProducts.an_instance()
...
TypeError: __init__() takes at least 2 arguments (1 given)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15696>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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