
Feb. 2, 2012
6:49 p.m.
Am 02.02.2012 12:30, schrieb Chris Withers:
On 01/02/2012 17:50, Guido van Rossum wrote:
Another question: a common pattern is to use (immutable) class variables as default values for instance variables, and only set the instance variables once they need to be different. Does such a class benefit from your improvement?
A less common pattern, but which still needs to work, is where a mutable class variable is deliberately store state across all instances of a class...
This is really *just* a dictionary implementation. It doesn't affect any of the lookup procedures. If you trust that the dictionary semantics on its own isn't changed (which I believe is the case, except for key order), none of the dict applications will change. Regards, Martin