On Jan 15, 12:15 am, Paul Rubin <http://[EMAIL PROTECTED]> wrote:
> Steven D'Aprano <[EMAIL PROTECTED]> writes:
> > map = {'a': Aclass, 'b': Bclass, 'c': Cclass}
> > class_ = map.get(astring, default=Zclass)
>
> > The result I want is the class, not the result of calling the class
> > (which would be an instance). If I wanted the other semantics, I'd be
> > using defaultdict instead.
>
> I used default as a keyward arg name indicating the presence of
> a callable. I probably should have called it defaultfunc or something.
>
> x = d.get('a', f) # --> default value is f
> x = d.get('a', defaultfunc=f) # --> default value is result of f() .
Nice idea, but if I want args I need to write it like that:
x=d.get('a', defaultfunc=f, funcargs=(1,2,3))
instead of d['a', f(1,2,3)]
--
http://mail.python.org/mailman/listinfo/python-list
