On Sun, Jul 22, 2018 at 11:54:19AM +1000, Steven D'Aprano wrote:
> In my opinion, writing
>
> expression if expression is None else default
>
> is the *opposite* of Pythonic, it is verbose and the DRY violation is
> inelegant (as well as inefficient). I'd much rather use:
>
> expression ?? default
>
> although with PEP 572 approved, there is an alternative:
>
> temp := expression if temp is None else default
I was mistaken. That would need to be written as:
temp if (temp := expression) is None else default
which is obscure enough for me to prefer the ?? syntax again.
--
Steve
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