On Sun, 3 Jan 2021 16:19:01 +0000 Barry Scott <[email protected]> wrote: > > > > I’ll also quote the example match statement from the PEP abstract, > > which extracts "host" and "port" details from a 2 item sequence, a > > mapping with "host" and "port" keys, any object with "host" and "port" > > attributes, or a "host:port" string, treating the "port" as optional > > in the latter three cases: > > > > port = DEFAULT_PORT > > match expr: > > case [as host, as port]: > > pass > > case {"host" as host, "port" as port}: > > pass > > case {"host" as host}: > > pass > > case object{.host as host, .port as port}: > > pass > > case object{.host as host}: > > pass > > case str{} as addr: > > host, __, optional_port = addr.partition(":") > > if optional_port: > > port = optional_port > > case __ as m: > > raise TypeError(f"Unknown address format: {m!r:.200}") > > port = int(port) > > I read the above and believe I know what it meant without needing to read the > PEP in detail. > I like that a lot.
+1. Unlike the other PEP, there is no confusion with regular Python syntax such as function calls. Regards Antoine. _______________________________________________ Python-Dev mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-dev.python.org/ Message archived at https://mail.python.org/archives/list/[email protected]/message/23DGXSXJ32DMJMZIETSEWGYDX2RNIR3W/ Code of Conduct: http://python.org/psf/codeofconduct/