Hi,
I am refactoring subset / subword at #10534. The "elements" are right
now of type Set_object_enumerated. But I really do not like it since:
sage: from sage.sets.set import Set_object_enumerated
sage: Set_object_enumerated((Set(()), Set((2,))))
{{2}, {}}
sage: Set_object_enumerated((Set(()), Set((1,))))
{{}, {1}}
In particular, if we start enumerating the subsets of the subsets it
become really ugly. Do you mind if I open a ticket to
- set the category of Set_object_enumerated to FiniteEnumeratedSets()
or EnumeratedSets()
- fix the print order
- set rank / unrank to what it should be
An alternative would have been to use FiniteEnumeratedSet but it has
UniqueRepresentation and hence is not suitable for that purpose.
Vincent
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