On Fri, 6 Jul 2018 at 07:30, Steven D'Aprano <st...@pearwood.info> wrote:
> On Thu, Jul 05, 2018 at 02:38:47PM -0500, Flavio Curella wrote: > > More than once I've found myself wanting to create a 'sentinel' value. > The > > most common use case is to differentiate between an argument that has not > > been provided, and an argument provided with the value `None`. > [...] > > Is this something that the Python community is interested in? I'm willing > > to write the PEP > > I'm definitely interested, and coincidentally I started writing my own > Symbol class a week or two ago (but put it aside unfinished due to other > commitments) but honestly after four months of the assignment expression > PEP I'm suffering from battle fatigue. It would be nice to have a break > from controversial PEPs and catch my breath :-) > unittest.mock includes a sentinel object, with nice repr. >>> from unittest.mock import sentinel >>> sentinel.Foo sentinel.Foo Michael > > -- > Steve > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ > -- http://www.michaelfoord.co.uk/ May you do good and not evil May you find forgiveness for yourself and forgive others May you share freely, never taking more than you give. -- the sqlite blessing http://www.sqlite.org/different.html
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