#8807: Adding support for morphisms to the category framework
---------------------------+------------------------------------------------
Reporter: SimonKing | Owner: Simon King
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.6.1
Component: categories | Keywords: morphisms functors categories
Author: Simon King | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by SimonKing):
Replying to [comment:9 cremona]:
> ...
> Here are the minor issues in docstrings:
>
> line 44: "one should implement two methods" -- do you mean three?
Corrected.
> _apply_functor_to_morphism: first line of docstring is a copy from the
previous function but should presumably be "Apply the functor to a
morphism between ... something"
Corrected.
> In the new {{{__call__}}} function, I would like to see a test of the
branch which raises a {{{TypeError}}} ""%s is ill-defined, ..."
Done. I define a class that behaves like the matrix constructor used to.
> Is the spelling of "{{{CompositConstructionFunctor}}}" intentional?
Should it not be "{{{CompositeConstructionFunctor}}}"?
That spelling is old, so, I won't touch it.
I am running `sage -tp 3 sage` right now, but I am replacing the old patch
in a minute.
Cheers,
Simon
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8807#comment:11>
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