Sebastian Haase wrote: > Hello Gael, > > Short question regarding your tutorial -- I'm very intrigued by traits > and would like to use them too .... > Why do you define e.g. the Point class like this: > class Point(object): > """ 3D Point objects """ > x = 0. > y = 0. > z = 0. > > and not like this: > class Point(object): > """ 3D Point objects """ > def __init__(self): > self.x = 0. > self.y = 0. > self.z = 0. > > I thought in the first case, if one did "a = Point(); a.x = 6" that > from then on ANY new point ( "b = Point()" ) would be created with b.x > being 6 -- because 'x' is a class attribute and nor a instance > attribute !?
No, setting "a.x = 6" will set it on the instance, not the class. -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
