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[Bug 26973] make iterable declarations' iterator prototype objects inherit from %IteratorPrototype%

From: <bugzilla@jessica.w3.org>
Date: Sun, 05 Oct 2014 16:21:14 +0000
To: public-script-coord@w3.org
Message-ID: <bug-26973-3890-QyU1sXDgND@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=26973

--- Comment #5 from Brendan Eich <brendan@mozilla.org> ---
(In reply to Cameron McCormack from comment #4)
> This would mean that you would write things like:
> 
>   myMap.keys().filter((x) => x > 10)
> 
> yeah?  To make it a little easier to type than:
> 
>   [...myMap.keys()].filter((x) => x > 10)

Yes, and more efficient too.

(BTW the single-parameter arrow function form does not need parens around the
formal parameter: x => x > 10 -- just passing this along in case it needs some
publicity. ;-)

/be

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