holes in spread elements/arguments

Erik Arvidsson erik.arvidsson at gmail.com
Fri Sep 30 15:31:00 PDT 2011

On Fri, Sep 30, 2011 at 15:27, Allen Wirfs-Brock <allen at wirfs-brock.com> wrote:
> On Sep 30, 2011, at 9:42 AM, Erik Arvidsson wrote:
>> On Thu, Sep 29, 2011 at 12:53, Allen Wirfs-Brock <allen at wirfs-brock.com> wrote:
>>> Also, note that I've currently spec'd ES6 so that 'arguments' can be used as
>>> a rest parameter name.  In other words
>>>    function foo(...args) {return args}
>>> and
>>>   function foo(...arguments) {return arguments}
>>> are semantically equivalent.
>>> I did this to  enable to make it easier to migrate code  such as:
>>>    function foo() {baz(arguments)}
>>> to
>>>    function foo(...arguments) {baz(arguments)}
>> Minus the Arguments class I hope.
> I'm missing you point. What do you mean by "Arguments" class.
> as currently spec'd
>   function foo(...arguments) {baz(arguments) }
> is semantically the same as
>   function foo(...args) {baz(args) }
> The only difference is the name binding for the rest parameter.  In both cases it is a regular Array object, not an ES5 arguments objects.
> Did you have something else in mind?

Nope. That covers it.


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