Re: [whatwg/webidl] Maplike/setlike iterators shouldn't use MapIteratorPrototype/etc (Issue #1142) from Kevin Gibbons on 2022-05-05 (public-webapps-github@w3.org from May 2022)

From: Kevin Gibbons <notifications@github.com>
Date: Thu, 05 May 2022 13:20:55 -0700
To: whatwg/webidl <webidl@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/webidl/issues/1142/1119009864@github.com>

> reusing %MapIteratorPrototype% and %SetIteratorPrototype% is something all engines do

I couldn't find any examples of this right now, poking around a little, though it's entirely possible I've just missed it. E.g., [`FontFaceSet`](https://drafts.csswg.org/css-font-loading/#FontFaceSet-interface) is a `setlike`, but in FF, Chrome, and Safari, `document.fonts[Symbol.iterator]().next === (new Set)[Symbol.iterator]().next` is false.

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Received on Thursday, 5 May 2022 20:21:09 UTC