#14535: Mutability of Graphs
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Reporter: SimonKing | Owner: jason, ncohen, rlm
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.10
Component: graph theory | Resolution:
Keywords: mutability graph | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Simon King, Volker Braun | Merged in:
Dependencies: #14524 | Stopgaps:
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Comment (by vbraun):
If you think you can implement a better immutable-only backend then thats
great. But chances are it won't be the best implementation in all cases
(e.g. dense vs. sparse). If the user-facing part of the immutability is in
`GenericGraph_pyx` then its easy to add an imutable backend next to
mutable ones, the only difference is that the constructor will already set
the immutability flag for the immutable backend(s). Whereas duplicating
the backends means twice as many bugs and nothing to base Quivers on until
you get around to implementing all of them...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14535#comment:30>
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