The type/object distinction and possible synthesis of OOP and imperative programming languages

[Ian Kelly]

On Mon, Apr 15, 2013 at 9:17 PM, Terry Jan Reedy <tjreedy at udel.edu> wrote:
> I will keep the above in mind if I write or review a patch. here are 4
> non-subclassable builtin classes. Two are already documented. Bool in one,
> forget which other. I believe it was recently decided to leave the other two
> as is given the absence of any practical use case.

The four are bool, NoneType, slice and ellipsis, I believe.