What is the correct way to define __hash__?
Steven D'Aprano
steven at REMOVE.THIS.cybersource.com.au
Mon Oct 12 22:04:20 EDT 2009
On Mon, 12 Oct 2009 15:45:30 -0500, Peng Yu wrote:
> def __cmp__(self, other):
> if self._a < other._a:
> return -1
> elif self._a > other._a:
> return 1
> elif self._b < other._b:
> return -1
> elif self._b > other._b:
> return 1
> else:
> return 0
This can be simplified to:
return cmp((self._a, self._b), (other._a, other._b))
--
Steven
More information about the Python-list
mailing list