Any built-in ishashable method ?
Peter Otten
__peter__ at web.de
Sat Jan 19 03:49:13 EST 2013
Dave Angel wrote:
> On 01/18/2013 07:06 AM, Peter Otten wrote:
>> Jean-Michel Pichavant wrote:
>>
>>> That brings me to another question, is there any valid test case where
>>> key1 != key2 and hash(key1) == hash(key2) ? Or is it some kind of design
>>> flaw ?
>>
>> I don't think there is a use case for such a behaviour other than
>> annoying your collegues ;)
>>
>
> Beg to differ. Nothing wrong with getting the same hash on objects that
> compare different. It's called a hash collision, and is quite common,
> especially in large collections.
Of course.
> The problem is the converse of this, where the objects compare equal,
> but they have different hashes.
And that I read because my expectations won over the actual text.
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