The future of Python immutability

[Scott David Daniels]

John Nagle wrote:
> ... Suppose, for discussion purposes, we had general "immutable objects".
> Objects inherited from "immutableobject" instead of "object" would be
> unchangeable once "__init__" had returned.  Where does this take us?

Traditionally in Python we make that, "once __new__ had returned."

--Scott David Daniels
Scott.Daniels at Acm.Org