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
>
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