#15603: "immutable=True" for Graph/Digraph __init__ and copy()
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.1
Component: graph theory | Resolution:
Keywords: | Merged in:
Authors: Nathann Cohen | Reviewers:
Report Upstream: N/A | Work issues:
Branch: #15278 | Commit:
Dependencies: | Stopgaps:
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Changes (by ncohen):
* status: new => needs_review
Old description:
> As promised on #15278, this ticket adds an 'immutable' keyword to the
> constructors of Graph/Digraph, and in 'copy()' too.
>
> While I was at it, I tried to clean a bit the 'copy()' method, which now
> systematically checks its input. It should deal with every situation
> `:-P`
>
> And I think I will have to clean the constructors of Graph/Digraph too at
> some point.
>
> Nathann
New description:
As promised on #15278, this ticket adds an 'immutable' keyword to the
constructors of `Graph/Digraph`, and in 'copy()' too.
While I was at it, I tried to clean a bit the 'copy()' method, which now
systematically checks its input. It should deal with every situation `:-P`
And I think I will have to clean the constructors of `Graph/Digraph` too
at some point.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/15603#comment:1>
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