On May 14, 2:03 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> wrote: > > Dicts and sets use the key's hash value to determine the "bucket" where > the key will be placed, and == to distingish between different objects > with the same hash value. > That is, you should define __hash__ and one of (__cmp__ or __eq__). > __neq__ (inequality) isn't required nor used by dict/set implementation. > (Anyway, Python will transform a!=b into not(a==b), if __neq__ isn't > defined). Neither <, <=, >, >= are used. > The important thing is that, if two objects compare equal, they must have > the same hash value. That is: (a==b) => (hash(a)==hash(b)) (the reciprocal > is not true).
Cool! I think this answers my last question. Thanks! -- http://mail.python.org/mailman/listinfo/python-list
