#13566: Simplicial complex examples as singletons
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Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.6
Component: algebraic topology | Resolution:
Keywords: simplicial | Work issues:
Report Upstream: N/A | Reviewers: Travis
Scrimshaw
Authors: Christian Nassau, John Palmieri | Merged in:
Dependencies: #13244, #12587 | Stopgaps:
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Comment (by cnassau):
Replying to [comment:17 nbruin]:
> You aren't proposing the cache to save computation time, I suppose? It's
probably because you find it desirable to guarantee uniqueness when these
things exist (are they parents?) In that case, you can get what you want
by inheriting from !UniqueRepresentation or !UniqueFactory. That keeps a
weak cache, so that
> examples that aren't otherwise referenced anymore can be collected.
I wonder if we could create a new modifier {{{@weakly_chached_method}}}
(or maybe {{{@cached_method(weakref=True)}}}) for this purpose. Using a
!UniqueRepresentation or !UniqueFactory probably requires some code re-
arrangements (for example, {{{Sphere}}} is a currently a method, not a
class whose inheritance we could change).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13566#comment:18>
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