[Python-Dev] PEP 567 v2 (original) (raw)

Nathaniel Smith njs at pobox.com
Thu Dec 28 05:20:05 EST 2017


On Thu, Dec 28, 2017 at 1:51 AM, Victor Stinner <victor.stinner at gmail.com> wrote:

var = ContextVar('var', default=42)

and: var = ContextVar('var') var.set (42) behaves the same, no?

No, they're different. The second sets the value in the current context. The first sets the value in all contexts that currently exist, and all empty contexts created in the future.

-n

-- Nathaniel J. Smith -- https://vorpus.org



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