2014-11-27 17:12 GMT+01:00 Claude Pache <[email protected]>: > Lists are indeed specification-only types, and the result of the > `[[OwnPropertyKeys]]` internal method call is never directly observed by > the programmer: it is only used as an intermediate result within > algorithms. A List is, I presume, a finite ordered sequence of values. >
Indeed, user-facing functions convert the List to an Array, see e.g. Reflect.ownKeys: <https://people.mozilla.org/~jorendorff/es6-draft.html#sec-reflect.ownkeys> Cheers, Tom
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