#16264: Rotate error on childless binay trees
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Reporter: VivianePons | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: combinat, Tamari, binary trees | Merged in:
Authors: Viviane Pons | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by elixyre):
Hi,
I think the first (return the same object) and the second (return None)
solutions are not good ways.
To me, the method should raise an Exception: why not
"NoRotationAvailable"?
Or an (ugly) other solution the method `*_rotate` could be an iterator?
Cheers,
Jean-Baptiste
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Ticket URL: <http://trac.sagemath.org/ticket/16264#comment:3>
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