#5120: [with patch, needs review] An alternative implementation of the Unique
Representation design pattern
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Reporter: nthiery | Owner: nthiery
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.0
Component: misc | Resolution:
Keywords: |
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Description changed by nthiery:
Old description:
> Class deriving from sage.structure.UniqueRepresentation class inherit a
> unique representation behavior for their instances. See the documentation
> for a brief discussion of the relative merits of UniqueRepresentation and
> UniqueFactory.
>
> This class will be used extensively in upcoming patches (unique
> representation of categories, combinatorial free modules, ...)
New description:
Class deriving from sage.structure.UniqueRepresentation class inherit a
unique representation behavior for their instances. See the documentation
for a brief discussion of the relative merits of UniqueRepresentation and
UniqueFactory.
This is also a generalization of the already existing class
sage.categories.category.uniq1, which it will eventually supersede in the
category patch.
This class will be used extensively in upcoming patches (unique
representation of categories, combinatorial free modules, ...)
Class deriving from sage.structure.UniqueRepresentation? inherit a
unique representation behavior for their instances (and consistent
default implementations of equality testing, copying, pickling, ...).
This class is used extensively in upcoming sage-combinat patches:
- #5879 (crystals)
- categories
- free modules
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5120#comment:14>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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