#15603: "immutable=True" for Graph/Digraph __init__ and copy()
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.1
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | 7860f3997ae9ecd954f0696025fbb63e0219e78b
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/15603 |
Dependencies: |
#15278 |
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Comment (by ncohen):
Hmmmm... We could add an empty function for `add_edge` in the backend
indeed. Depending on where the immutable graph comes from, the user may
not have any idea of why this function is not implemented. Something like
what `add_vertex` does.
Yes to your other comment about the exception raised by `__hash__`.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/15603#comment:16>
Sage <http://www.sagemath.org>
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