#20246: Use `with strict_equality(True)` to work around hashing of p-adics
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Reporter: saraedum | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-7.2
Component: padics | Resolution:
Keywords: days71 | Merged in:
Authors: Julian Rüth | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/saraedum/use__with_strict_equality_true___to_work_around_hashing_of_p_adics|
f4c5a9db729ccf911517039fdced282588210133
Dependencies: #16342, #16339 | Stopgaps:
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Comment (by nbruin):
The problem pointed out in this ticket -- that caching combines poorly
with the relaxed concept of equality -- does need solving. Given that
hashability cannot safely change during the lifetime of an object, it
would seem `_cache_key` is only remaining viable solution. Is there useful
work on the branch here that can be used towards removing `__hash__` for
capped p-adic elements?
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Ticket URL: <http://trac.sagemath.org/ticket/20246#comment:28>
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