#16517: Allow CovariantFunctorialConstruction to work with Category_singleton
-------------------------------------+-------------------------------------
Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.3
Component: categories | Resolution:
Keywords: sd59 | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/categories/covariant_functorial_category_singleton-16517|
9e61bd4d8df47f6f6a35e855986370e842660e32
Dependencies: | Stopgaps:
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Changes (by tscrim):
* status: new => needs_info
* commit: => 9e61bd4d8df47f6f6a35e855986370e842660e32
* branch: =>
public/categories/covariant_functorial_category_singleton-16517
Comment:
So here's what I'm currently doing. Is this the right way to do things? Do
you think this could/will cause a speed regression (do we even because
things don't work currently)?
I'm also not quite sure how to construct a simple doctest/example. I have
my current working version of #16513 at `u/tscrim/16513-WIP` and have it
so you can just type:
{{{
sage: Semirings().Differential()
Category of differential semirings
}}}
so it seems to work...
----
New commits:
||[http://git.sagemath.org/sage.git/commit/?id=9e61bd4d8df47f6f6a35e855986370e842660e32
9e61bd4]||{{{Fix (Hack?) to allow CovariantFunctorialConstruction to work
with Category_singleton.}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/16517#comment:1>
Sage <http://www.sagemath.org>
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