Le vendredi 6 novembre 2015 17:32:49 UTC+1, Nils Bruin a écrit : > > > Furthermore, if X and Y happen to be non-identical but "equal" charts, > would you want points._coordinates[X] be identical to points_coordinates[Y] > ? Would that ever be useful? >
Not much: in the current setting, we should not have two copies of the same mathematical chart on the same manifold, i.e. if we have X == Y this is because X is Y. > EqualityById is easy and cheap to have. It basically restores the default > equality- and hashing properties of Python's objects. I don't think it's > something you should particularly avoid having. > OK. Let us use EqualityById for charts then! Thanks. 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.
