On Thu, Dec 2, 2021 at 4:40 AM Barry Scott <[email protected]> wrote: > > On 1 Dec 2021, at 06:16, Chris Angelico <[email protected]> wrote: > 3) If "yes" to question 1, would you use it for any/all of (a) mutable > defaults, (b) referencing things that might have changed, (c) > referencing other arguments, (d) something else? > > > yes (a) > What does (b) mean? example please. > yes (c) >
global_default = 500 def do_thing(timeout=>global_default): ... If the global_default timeout changes between function definition and call, omitting timeout will use the updated global. Similarly, you could say "file=>sys.stdout" and if code elsewhere changes sys.stdout, you'll use that. ChrisA _______________________________________________ Python-ideas mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/[email protected]/message/KVLO3CEXBJUKBUJPJZIJM54U6S5PIFKM/ Code of Conduct: http://python.org/psf/codeofconduct/
