Hi, Le mardi 5 mai 2015 12:44:08 UTC+2, vdelecroix a écrit : > > > IMHO, they do not belong either to parents. A set has generators? > > sage: Partitions(5).gens_dict() > Traceback (most recent call last): > ... > AttributeError: 'StandardPermutations_n_with_category' object > has no attribute 'gens'AttributeError: 'Partitions_n_with_category' > > In the same vein, shouldn't base_ring be removed from Parent as well ?
sage: Set([1,2,3]).base_ring() The return value is None, which is arguably correct, for a generic set has no base ring, but it might be surprising when using tab completion to discover functionalities to see that a base_ring() method exists for such objects. Eric. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
