#14823: Categories of (C)DVR and (C)DVF
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Reporter: caruso | Owner: nthiery
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.12
Component: categories | Resolution:
Keywords: categories, DVR | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Xavier Caruso | Merged in:
Dependencies: | Stopgaps:
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Comment (by nthiery):
Hi David!
Replying to [comment:2 roed]:
> * Rather than `@abstract_method` you should use the
> `required_methods` function from `sage.categories.Category`. Most
> of the functions on these categories should not actually be
> implemented on the category but rather included in the output of
> `required_methods`.
I am not sure I understand your point. Looking at the patch, those
methods are not implemented on the category (just declared as abstract
methods), and it's those declarations that get them included in
``required_methods``.
Other than this, just for checking (and showing off my incompetence on
the topic at hand), it's on purpose that a discrete valuation field is
not a discrete valuation ring?
Cheers,
Nicolas
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14823#comment:3>
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