[Python-ideas] a new namedtuple

Guido van Rossum guido at python.org
Tue Jul 18 12:09:18 EDT 2017

On Tue, Jul 18, 2017 at 8:56 AM, Ethan Furman <ethan at stoneleaf.us> wrote:

> I certainly don't expect the signature to change, but why is using a
> metaclass out?  The use (or not) of a metaclass /is/ an implementation
> detail.

It is until you try to subclass with another metaclass -- then you have a
metaclass conflict. If the namedtuple had no metaclass this would not be a
conflict. (This is one reason to love class decorators.)

--Guido van Rossum (python.org/~guido)
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