Existential Operator / Null Propagation Operator

Kevin Smith zenparsing at gmail.com
Wed Aug 19 13:24:04 UTC 2015


>
> What about `a!?.b` since semantically the symbol `!` has a meaning of
> non-nullable in JSDoc[1].
>

"!" in this context typically means non-optional, or "throw if the value is
nill".  See Swift for example.

Or just `a!.b`?
>

Same thing.

Kevin
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