Zora Honey wrote: > I've just discovered operator overloading via defining a > class's special > methods and I think it's swell, or would be if I could figure out two > things: > > In order say, add things, I need to do some type checking. For a+b to > work, both must be instances of the same class. I can check to see if > they are instances using if type(a)==types.InstanceType, but I don't > know how determine which class it is in an instance of. (This must > somehow be possible because if I do "print a" without having > overloaded > __str__, I get <__main__.C instance at 0x815b9ec> telling me it's an > instance of class C).
a.__class__ > Also, how to I make an instance of a class from within the class? I > want c = a + b to return a new instance of value a + b > without changing > a or b. When I define the __add__ method, I have access to self and > other, whose properties I can change at will, but how do I get a fresh > instance of the class that I am writing? self.__class__() Robert Brewer MIS Amor Ministries [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list
