On Tue, Jun 23, 2020 at 10:10 AM MRAB <pyt...@mrabarnett.plus.com> wrote:
> Why are: > > case ._: > > not OK? > > In this: > > case .BLACK: > ... > case BLACK: > ... > > the first matches the value against 'BLACK' and the second succeeds and > binds the value to 'BLACK'. > > Replacing 'BLACK' with '_': > > case ._: > ... > case _: > ... > > I'd expect something similar, except for the binding part. > > I think the same could be said for: > > case Color.BLACK: > > and: > > case _.BLACK: > The PEP authors discussed this last night and (with a simple majority) we agreed that this restriction isn't all that important, so we're dropping it. https://github.com/python/peps/commit/410ba6dd4841dc445ce8e0cd3e63ade2fa92ddc4 (We're considering other feedback carefully, but most of it require more deliberation.) -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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