It's meant as an extension point. I believe some DOM list/array is supposed to use this.
On Wed, Jun 3, 2015 at 11:08 AM, Axel Rauschmayer <a...@rauschma.de> wrote: > > https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.prototype.concat > > I’m not seeing @@isConcatSpreadable being used as a property key anywhere > in the spec. > > Thanks! > > Axel > > -- > Dr. Axel Rauschmayer > a...@rauschma.de > rauschma.de > > > > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss > >
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