SpeciesConstructor(o, %Set) vs. %Set%

Jordan Harband ljharb at gmail.com
Thu Dec 13 21:13:02 UTC 2018

My sense is that any time you want to enable subclassing, you'd use
SpeciesConstructor - are there specific cases where you're seeing it not be

On Thu, Dec 13, 2018 at 12:06 PM Michał Wadas <michalwadas at gmail.com> wrote:

> Hi.
> This is question directed more to TC39 members. I'm updating Set methods
> proposal right now and I don't understand when SpeciesConstructor should be
> used and when I should just hardcode %Set%.
> Michał Wadas
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