#8028: Improvements to element_wrapper
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Reporter: nthiery | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.3.2
Component: combinatorics | Keywords: ElementWrapper, partial order
Author: Nicolas M. Thiéry | Upstream: N/A
Reviewer: Florent Hivert | Merged:
Work_issues: |
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Improvements to element_wrapper:
- Don't define __cmp__ by default to not force a total order on
subclasses
- Define __lt__ to have elements incomparable by default
- Provide alternative implementations as _cmp_by_value, _lt_by_value
- Update accordingly:
- FiniteSemigroups().example
- Misc polishing (copyright header, whitespace, ...)
This will be used by upcoming patches for crystals, ...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8028>
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