[Python-ideas] Null coalescing operator

[Barry Warsaw]

On Oct 27, 2016, at 07:37 PM, Nick Badger wrote:

>The problem with doing that is that it's ambiguous. There's no way of
>telling which attribute is allowed to coalesce.

You could of course support exactly the same syntax being proposed as a
language change, e.g.

    from operator import attrgetter
    r = attrgetter('b?.x?.z')

and then you wouldn't even need the `coalesce` argument.

Cheers,
-Barry
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