#9016: make morphisms hashable
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Reporter: burcin | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.4.3
Component: algebra | Keywords:
Author: Burcin Erocal | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by robertwb):
{{{__hash__}}} must be redefined if {{{__cmp__}}} or {{{__richcmp__}}} is,
as it is an all or none thing with their inheritance. Not my design
decision, but that's the way it is.
See http://docs.python.org/c-api/typeobj.html
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9016#comment:2>
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