#14912: UniqueRepresentation tutorial could use more love
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Reporter: darij | Owner:
Type: defect | Status: positive_review
Priority: major | Milestone: sage-6.1
Component: documentation | Resolution:
Keywords: documentation, | Merged in:
structure | Reviewers: Darij Grinberg,
Authors: Simon King | Travis Scrimshaw
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #14888 | Stopgaps:
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Comment (by tscrim):
Replying to [comment:70 SimonKing]:
> There is some argument pre-processing: `kwds['domain']` might change.
And this ''changed'' argument is used as a cache key when calling
`super(PermutationGroup_unique, cls).__classcall__(cls, *args, **kwds)`.
Apparently the author of this `__classcall__` found it desirable that the
instance is pulled from the cache when the original value of
`kwds['domain']` is provided next time, ''without'' losing time by the
preprocessing.
Ah I see. Thanks for clarifying and for your work on this.
Thanks to Darij and Jeroen for help in reviewing.
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Ticket URL: <http://trac.sagemath.org/ticket/14912#comment:71>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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