"Martin v. Löwis" <[EMAIL PROTECTED]> writes:
> Mike Meyer wrote:
>>>I trusted the doco which defines a set as "an unordered collection of
>>>immutable values" (http://docs.python.org/lib/types-set.html).
>> If the hash changes, you've screwed up the set. What it really should
>> say is "collection of objects with fixed hashes", or words to that
>> effect. Do you want to file a PR on this?
> It's more than that: you really mean "hashable values", where "hashable"
> does not just imply that the hash value is fixed, but also that the
> equal objects hash same.
I would have phrased it as "identical" instead of equal. Sets should
hold unique elements, where "unique" depends on the use at hand. For
some uses, "==" might be appropriate. For others, "is" might be
appropriate.
Would you care to suggest an improved wording?
<mike
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