#11125: Change .list() to return an immutable object in enumerated sets.
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Reporter: hivert | Owner: hivert
Type: enhancement | Status: new
Priority: major | Milestone:
Component: combinatorics | Keywords: list EnumeratedSet
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Currently, in enumerated sets, the method {{{.list()}}} returns a standard
mutable python list. This is unfortunate because, even if we use caching,
we need a new copy of the list to make sure that the user doesn't change
the cached list. This copy is made, even if the user don't change the
returned list. The good way of resolving this problem must be discussed
further but I nevertheless create the ticket for reference.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11125>
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