- From: Boris Zbarsky via GitHub <sysbot+gh@w3.org>
- Date: Sat, 22 Sep 2018 04:41:38 +0000
- To: public-geolocation@w3.org
> since both "null" and "undefined" get converted to a dictionary the same way anyway.
That's actually not the case in the IDL spec right now. Trying to align Gecko with that spec was the reason I was looking at this IDL at all in Gecko (where the invalid `?` is not present) and trying to understand what this spec's normative requirements are.
`null` becomes empty dictionary. `undefined` in this case becomes "member not present" in the outer dictionary.
So passing `null` is valid, and will have the same behavior as passing `{}`. Passing `undefined` currently has the same behavior in Gecko too, because Gecko doesn't quite follow the Web IDL spec for dictionary-typed members of dictionaries. But if we fix that, we'll run into the problem of this spec not actually defining behavior when `undefined` is used... I hadn't gotten to filing that issue yet.
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Received on Saturday, 22 September 2018 04:41:40 UTC