#15247: Introduce a baseclass for singletons
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Reporter: SimonKing | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: performance | Resolution:
Keywords: | Merged in:
Authors: Simon King | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/SimonKing/ticket/15247 | 26132d9f30e881fc75a3bae60c8e526a6e4fef9f
Dependencies: | Stopgaps:
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Changes (by SimonKing):
* status: needs_work => needs_review
* work_issues: fixs more hash values =>
Comment:
There were several hash tests to fix. In all cases, I stopped comparing
against a particular number, because
1. the number depends on the architecture (32- versus 64-bit)
2. the number does not show how the hash function works
3. one should test the result of `hash` against the hash function of the
class being tested---otherwise (and this happened in at least three
examples) one might test an instance of the wrong class.
The tests should work now.
--
Ticket URL: <http://trac.sagemath.org/ticket/15247#comment:21>
Sage <http://www.sagemath.org>
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