Il faut utiliser "with" comme ca : with T.clone() as TT: TT[chemin[:-1]]=trees([],None)
Tant qu'on est dans le "with" l'arbre est mutable Frederic Le lundi 3 septembre 2012 18:57:51 UTC+2, Viviane Pons a écrit : > > Hi everyone, > > I'm trying to work with trees but I find them quite difficult to use. > I have a simple question : how can I crate a temporary mutable > labelled rooted tree and set it to be immutable after the construction > is finished ? > > I have found no way of doing this and this would be necessary for what > I'm doing now. If someone know how it works, it would be great. > > Thank's > > Viviane > -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To view this discussion on the web visit https://groups.google.com/d/msg/sage-combinat-devel/-/cRljg5RpUK0J. To post to this group, send email to sage-combinat-devel@googlegroups.com. To unsubscribe from this group, send email to sage-combinat-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sage-combinat-devel?hl=en.