On 10/9/08, Serge Matveenko <serge@matveenko.ruwrote:
Quote:
I need to put in the var property of the first object from the list
that is not None. Somth like:
>
foo = first_of([any, beny, riki,]).name
>
Dont want to ugly if-cascade:
>
foo = any.name if name is not None else beny.name if beny is not None \
else riki.name if riki is not None
after some play with interpreter and Python logic i've got this:
objs = [None, 'dfgh', None,]
obj_l = [obj.__len__() for obj in objs if obj is not None][0]
Now the question is this is lazy or not? And how could i make it lazy?
--
Serge Matveenko
mailto:serge@matveenko.ru
http://serge.matveenko.ru/ 
