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?(.


More information about the es-discuss mailing list