On 5/19/2011 11:33 PM, Ulrich Eckhardt wrote:
> For that reason, it is generally useful to use immutable types like
> integers, floats, strings and tuples thereof as keys. Since you can't change
> them, you basically have the guarantee that they hash the same.
Right. It's something of a lack that Python doesn't
have user-defined immutable objects.
John Nagle