On Mon, Feb 19, 2018 at 5:06 PM, Chris Barker - NOAA Federal <
chris.barker at noaa.gov> wrote:

> If I have this right, on the discussion about frozen and hash, a use
> case was brought up for taking a few steps to create an instance (and
> thus wanting it not frozen) and then wanting it hashable.

> Which pointed to the idea of a β€œ freeze this from now on” method.

> This seems another use case β€” maybe it would be helpful to be able to
> freeze an instance after creation for multiple use-cases?

Yes, it would be helpful.  But in practice, I've just limited the hash
function to only the attributes that are available before I need to
stick the object in a dict.  In practice, that has always been more
than sufficient.

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