[Python-Dev] Examples for PEP 572
rob.cliffe at btinternet.com
Wed Jul 4 14:20:51 EDT 2018
On 04/07/2018 02:54, Terry Reedy wrote:
> The 2-argument form of iter is under-remembered and under-used. The
> length difference is 8.
> while (command := input("> ")) != "quit":
> for command in iter(lambda: input("> "), "quit"):
A general principle that Chris Angelico has repeatedly mention applies
here: If you want (as I instinctively would)
while (command := input("> ")).lower() != "quit":
you can't express that in your iter version.
More information about the Python-Dev