I think you could implement this yourself with metaclasses and it wouldn't have much (if any) performance hit per-call or per-instantiation (just a bit slower when creating the class definition).

It's a bit heavy-handed-hand-holding–if you ask me–but if you want to do it, the language gives you the ability.

On Tue, Nov 22, 2016 at 3:24 PM, Adrián Orive Oneca <adrian.orive.oneca@gmail.com> wrote:

This is just a convenience utility that would impact performance. This kind of enhancements, in my opinion, should be taken care by the IDEs, not by the interpreters.

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