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Description
Bocoup, Boston, MA (Sept 26-28)
https://github.com/tc39/agendas/blob/master/2017/09.md
Checkbox means we completed it (some Stage 1 we may want to wait to start given instability of the proposal)
https://tc39.github.io/process-document/ for a primer what each Stage means
New Proposals
- ✍️ Pipeline Operator Stage 1 (next: need a solution for method extraction, possibly just
::a) - Extensible Numeric Literals Stage 1 (also had objections, will probably wait)
- First Class Protocols Stage 1
- Subsume JSON to Stage 1
- Partial application to Stage 1 (but has strong objections on syntax/semantics, will probably wait)
- Nullary Coalescing to Stage 1 (need explainer for checking "nully" or "undefined"
Moving Foward
- ✍️ Throw Expressions from Stage 1 to Stage 2
- ✍️ Private Methods (and accessors) from Stage 2 to Stage 3
- ✍️
import.metafrom Stage 2 to Stage 3
Needs Consensus (Stage 4)
- Early errors for RegExp literals
- ✍️ export-ns-from from Stage 2 (needs tests)
Needs Spec Work
- Optional Chaining stays at Stage 1 again (issues with short-circuiting only for
?.and use of?.[and?.(in general,?.syntax is desired but may not align with?.[and?.(but?&.and other syntax changes are not preferred) - Object Shorthand Improvements stays at Stage 0
Builtins.typeOf()andBuiltins.is()stays at Stage 0- Numeric Separator stays at Stage 2
Other (Builtins, etc)
- Template literal memory leak fix (needs consensus PR)
Intl.NumberFormat.prototype.formatToPartsto Stage 4Intl.Segmenterto Stage 3Intl.RelativeTimeFormatto Stage 3Atomics.waitAsyncto Stage 2Intl.PluralRulesto Stage 4Array.prototype.flatMapandArray.prototype.flattenfrom Stage 1 to Stage 2Intl.Localeto Stage 1String.prototype.matchAllto Stage 2- Needs consensus: Make LocalTZA take 't' and 'isUTC' and drop DSTA(t). tc39/ecma262#778, Normative: Create global properties for sloppy function hosting as vars tc39/ecma262#888, Access the
.nextmethod once, at the beginning, of the iteration protocol tc39/ecma262#988
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