> On Feb 20, 2018, at 2:38 PM, Guido van Rossum <gu...@python.org> wrote:
> 
> But then the class would also inherit a bunch of misfeatures from tuple (like 
> being indexable and having a length). It would be nicer if it used __slots__ 
> instead.


FWIW, George Sakkis made a tool like this about nine years ago.  
https://code.activestate.com/recipes/576555-records  It would need to be 
modernized to include default arguments, types annotations and whatnot, but 
otherwise it has great performance and low API complexity.

> (Also, the problem with __slots__ is the same as the problem with inheriting 
> from tuple, and it should just be solved right, somehow.)

Perhaps a new variant of __init_subclass__ would work.



Raymond


_______________________________________________
Python-Dev mailing list
Python-Dev@python.org
https://mail.python.org/mailman/listinfo/python-dev
Unsubscribe: 
https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com

Reply via email to