#11935: Make parent/element classes independent of base rings
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Reporter: SimonKing |
Owner:
Type: enhancement |
Status: needs_review
Priority: major |
Milestone: sage-5.0
Component: categories |
Resolution:
Keywords: parent class, element class, category | Work
issues:
Report Upstream: N/A |
Reviewers:
Authors: Simon King | Merged
in:
Dependencies: #9138, #11900, #11943, #12875, #12876, #12877 |
Stopgaps:
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Comment (by nthiery):
Speaking of weak cache: currently trac11935_share_on_base_category.patch
uses strong caching. Weak caching might be preferable.
Another thing is that this patch could be quite more concise if we had
another feature in cached functions: namely that we could specify that
certain arguments should be ignored in the cache lookup; or more generally
that we could specify a function that would produce the key to be used in
the cache lookup. Something like:
{{{
def key(x, l, option=1): return x, tuple(l)
@cached_function(key=key)
def foo(x, l, option=1):
return (x, l, option)
sage: foo(1, [1,2], 3) is foo(1, (1,2), 2)
True
}}}
Better syntax welcome!
Cheers,
Nicolas
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11935#comment:75>
Sage <http://www.sagemath.org>
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