please add orEqual operator

Brendan Eich brendan at
Tue Aug 11 00:41:47 UTC 2015

Oops, sorry.

You were punning with pattern-matching there ;-).

Can this thread die?


Tab Atkins Jr. wrote:
> On Mon, Aug 10, 2015 at 1:53 PM, Brendan Eich<brendan at>  wrote:
>> Please search for older proposals on You'd find
>> ES6 parameter default values took a look of wind out of this one's sails.
> You're pattern-matching incorrectly - this is not the default
> operator, it's "seeing if a var is any of several possible matches".
> But yeah, as Alexander said, Python gets by just fine by creating an
> array or tuple and asking about membership; using [].contains() should
> be just fine in JS too.
> ~TJ

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