Conditional expressions (again)

[Erik Max Francis]

Dale Strickland-Clark wrote:

> However, we already have conditional assignment, which I've used
> several times when I've really had to:
> 
>         x = (b, c)[a]
> 
> Obviously this assumes a is logic 0 or 1 which you can force if
> necessary:
> 
>         x = (b, c)[a != 0]

But this doesn't have the short-circuiting properties of the conditional
operator which was listed as one of the main project.  (I usually use
conditional operators for simple selections between two values, anyway.)

> 
> You can also use the 'iif' function that appears in a number of
> languages:
> 
>         def iif(test, true, false):
>             if test:
>                 return true
>             else:
>                 return false

Or just operator.truth.

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