Add "???" Unimplemented

[T.J. Crowder]

On Wed, Apr 4, 2018 at 8:11 AM, Thomas Grainger <tagrain at gmail.com> wrote:
>
> const ɁɁɁ = () => { throw new Error('Method not defined'); };

LOL. Awkward to type on most keyboards, though. :-) Suppose one could use
some form of auto-correct in one's IDE...

-- T.J. Crowder
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20180404/3499693f/attachment.html>