> Gerardo Herzig a écrit : >> Hi all. Im reading the Gido's aproach using decorators at >> http://www.artima.com/weblogs/viewpost.jsp?thread=101605 >> >> It looks good to me, but the examples shows the functionality using >> functions. >> Now, when i try to give this decorator into a method, if i try the >> >> class test(object): >> @multimethod(...) >> def met(self, ...): >> >> The multimethod decorator needs the types of the arguments, and, if the >> met method requires self as the first argument, the multimethod should >> look like >> @multimethod(self.__class__, bla, ble) or some like that... >> >> Now i know that im wrong, because i have this error >> >@multimethod(self.__class__) >> >NameError: name 'self' is not defined > > Indeed. Neither self (which will only be known at method call time) nor > even the 'test' class (which is not yet defined when the decorator is > executed) are availables. Doh! > >> So what would be the first argument to @multimethod?? > > A string ?-) Ah? And what will that string contains? > > FWIW, there's already an implementation of multiple dispacth by Mr. Eby... Oh yes, i found the dispatch version of multimethods, but i have not tried it yet. Do you think is better this version than Guido's?
Thanks! Gerardo -- http://mail.python.org/mailman/listinfo/python-list
