#10130: Revamp __hash__, __cmp__ and __richcmp__
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Reporter: roed | Owner: robertwb
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.6.1
Component: coercion | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by roed):
Also, in Python 2.6, you can set A.__hash__ = None, to indicate that an
object is not hashable. We should probably do this for the various
immutable types in Sage, rather than raising a type error. I don't know
if this works currently (I can't do it from the command line on a mutable
matrix for example).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10130#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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