"Diez B. Roggisch" <[EMAIL PROTECTED]> skrev i meddelandet news:[EMAIL PROTECTED] >K Viltersten schrieb: >> I'm writing a class for rational numbers >> and besides the most obvious constructor >> >> def __init__ (self, nomin, denom): >> >> i also wish to have two supporting ones >> >> def __init__ (self, integ): >> self.__init__ (integ, 1) >> def __init__ (self): >> self.__init__ (0, 1) >> >> but for some reason (not known to me at >> this point) i get errors. My suspicion is that it's a syntax issue. > > "errors" is not much of an error-description. That's what stacktraces are > for.
I assumed that the error was so obvious to a seasoned Pytonist (Pythoner?) that a trace didn't matter. Your help below proves it. :) Nevertheless, i'll be careful in the future and make sure to post the traces too. Sorry. > Apart from that, you won't succeed with the above. Python has no > signature-based polymorphism. Instead, you use default arguments, like > this: > > def __init__(nomin=0, denom=1): > ... Thank you. -- Regards Konrad Viltersten -------------------------------- sleep - a substitute for coffee for the poor ambition - lack of sense to be lazy -- http://mail.python.org/mailman/listinfo/python-list
