[Python-ideas] Control Flow - Never Executed Loop Body

Sven R. Kunze srkunze at mail.de
Tue Mar 22 08:30:50 EDT 2016


On 20.03.2016 21:16, Andrew Barnert wrote:
> More generally, I think if this feature were to be added, "empty" is a 
> reasonable name. The idiomatic way to write it today is something like:
>
>     elem = empty = object()
>     for elem in seq:
>         do_stuff(elem)
>     if elem is empty:
>         do_empty_seq_stuff()
>
> So you're basically looking for syntactic sugar that abbreviated "if 
> ... is empty:", right?
>

Basically. The future discussion showed that the idiomatic way is not 
100% correct but I think you got the idea.

Best,
Sven
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