frozendict

[Terry Reedy]

On 2/8/2012 8:23 PM, Evan Driscoll wrote:
> Hi all,
>
> I've been trying for a few days (only a little bit at a time) to come up
> with a way of implementing a frozendict that doesn't suck. I'm gradually
> converging to a solution, but I can't help but think that there's some
> subtlety that I'm probably missing which is why it's not already provided.
>
> Does anyone know why Python doesn't already come with a frozendict, or
> why there seem to only be a couple attempts to write one?

Turn the question around: why should there be?
Python is intentionally parsimonious in adding builtins.

-- 
Terry Jan Reedy