[Python-Dev] Hash randomization for which types?

Chris Angelico rosuav at gmail.com
Wed Feb 17 08:49:58 EST 2016


On Thu, Feb 18, 2016 at 12:29 AM, Larry Hastings <larry at hastings.org> wrote:
> int objects have their own hash algorithm, built in to long_hash() in
> Objects/longobject.c.  The hash of an int is the value of the int, unless
> it's -1 or doesn't fit into the native type.

Can someone elaborate on this special case, please? I can see the code
there, but there's no comment. Is there some value in not hashing to
-1?

ChrisA


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