Optional Chaining (aka Existential Operator, Null Propagation)

Waldemar Horwat waldemar at google.com
Wed Feb 3 21:00:23 UTC 2016


On 02/03/2016 11:56, John Lenz wrote:
> Can you reference something as to why the more obvious operators are problematic?
>
> ?.
> ?[]
> ?()
> ?:

Some of these have problems.  For example, a?[]:b is already valid ECMAScript syntax and does something else.  There is an analogous but subtler problem for a?(.

     Waldemar



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