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Internal Slots should not use dot notation except from a root object #612

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ljharb opened this issue Sep 27, 2021 · 3 comments
Open

Internal Slots should not use dot notation except from a root object #612

ljharb opened this issue Sep 27, 2021 · 3 comments
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c: spec Component: spec editorial issues s: comment Status: more info is needed to move forward
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ES 2025

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@ljharb
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ljharb commented Sep 27, 2021

See https://github.com/tc39/ecma402/pull/603/files#r693381025 - basically, referencing an internal slot by itself makes sense, like it's a property, and navigating off of an object through internal slots makes sense, but [[a]].[[b]] without an object is very confusing to me.
@ljharb ljharb mentioned this issue Sep 27, 2021
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@ryzokuken ryzokuken added c: spec Component: spec editorial issues s: comment Status: more info is needed to move forward labels Sep 27, 2021
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@sffc @gibson042 @leobalter thoughts?

@ben-allen ben-allen mentioned this issue Aug 22, 2024
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@sffc
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sffc commented Aug 27, 2024

The section of the spec in question is entitled "Internal Slots", and it is well understood (and consistent with the rest of ECMA-402) that a floating [[x]] refers to the internal slot of the object whose prototype is being described. For example, the section in question is 10.2.3:

  • 10 Collator Objects
    • 10.2 Properties of the Intl.Collator Constructor
      • 10.2.3 Internal slots

So I think this issue should be closed.

@sffc sffc added this to the ES 2025 milestone Aug 27, 2024
@ljharb
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ljharb commented Aug 27, 2024

That's certainly yalls call, but "well understood" is subjective, and I personally find it confusing.

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Normalize Internal Slots of Intl.Collator by stating that [[SortLocal… ben-allen/ecma402
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@ljharb @sffc @ryzokuken