Re: [Python-Dev] Update on PEP 523 and adding a co_extra field to code objects

2016年8月29日 17:08:25 -0700

On 8/29/2016 5:38 PM, Brett Cannon wrote:
who objected to the new field did either for memory ("it adds another
pointer to the struct that won't be typically used"), or for conceptual
reasons ("the code object is immutable and you're proposing a mutable
field"). The latter is addressed by not exposing the field in Python and
Am I correct is thinking that you will also not add the new field as an argument to PyCode_New?
> clearly stating that code should never expect the field to be filled.
I interpret this as "The only code that should access the field should be code that put something there."
--
Terry Jan Reedy
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