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LibJS: Replace GetIANATimeZoneEpochValue with GetNamedTimeZoneEpoch[Ns]
This is an editorial change in the Temporal spec. See:
e834014
This commit is contained in:
Timothy Flynn
Linus Groh
parent
1a84dbcb07
commit
053cc90dbe
3 changed files with 21 additions and 35 deletions
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@ -149,21 +149,7 @@ ISODateTime get_iso_parts_from_epoch(VM& vm, Crypto::SignedBigInteger const& epo
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return { .year = year, .month = month, .day = day, .hour = hour, .minute = minute, .second = second, .millisecond = millisecond, .microsecond = static_cast<u16>(microsecond), .nanosecond = static_cast<u16>(nanosecond) };
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}
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// 11.6.3 GetIANATimeZoneEpochValue ( timeZoneIdentifier, year, month, day, hour, minute, second, millisecond, microsecond, nanosecond ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneepochvalue
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MarkedVector<BigInt*> get_iana_time_zone_epoch_value(VM& vm, [[maybe_unused]] StringView time_zone_identifier, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond)
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{
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// The implementation-defined abstract operation GetIANATimeZoneEpochValue takes arguments timeZoneIdentifier (a String), year (an integer), month (an integer between 1 and 12 inclusive), day (an integer between 1 and 31 inclusive), hour (an integer between 0 and 23 inclusive), minute (an integer between 0 and 59 inclusive), second (an integer between 0 and 59 inclusive), millisecond (an integer between 0 and 999 inclusive), microsecond (an integer between 0 and 999 inclusive), and nanosecond (an integer between 0 and 999 inclusive) and returns a List of BigInts.
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// Each value in the returned List represents a number of nanoseconds since the Unix epoch in UTC that corresponds to the given ISO 8601 calendar date and wall-clock time in the IANA time zone identified by timeZoneIdentifier.
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// When the input represents a local time repeating multiple times at a negative time zone transition (e.g. when the daylight saving time ends or the time zone offset is decreased due to a time zone rule change), the returned List will have more than one element. The elements are sorted in numerical order. When the input represents a skipped local time at a positive time zone transition (e.g. when the daylight saving time starts or the time zone offset is increased due to a time zone rule change), the returned List will be empty. Otherwise, the returned List will have one element.
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// It is an error to call GetIANATimeZoneEpochValue with arguments such that IsValidISODate(year, month, day) is false.
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// FIXME: Implement this properly for non-UTC timezones.
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auto list = MarkedVector<BigInt*> { vm.heap() };
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list.append(js_bigint(vm, get_utc_epoch_nanoseconds(year, month, day, hour, minute, second, millisecond, microsecond, nanosecond)));
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return list;
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}
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// 11.6.4 GetIANATimeZoneOffsetNanoseconds ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneoffsetnanoseconds
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// 11.6.3 GetIANATimeZoneOffsetNanoseconds ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneoffsetnanoseconds
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i64 get_iana_time_zone_offset_nanoseconds(BigInt const& epoch_nanoseconds, String const& time_zone_identifier)
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{
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// The implementation-defined abstract operation GetIANATimeZoneOffsetNanoseconds takes arguments epochNanoseconds (a BigInt) and timeZoneIdentifier (a String) and returns an integer.
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@ -195,7 +181,7 @@ i64 get_iana_time_zone_offset_nanoseconds(BigInt const& epoch_nanoseconds, Strin
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return offset->seconds * 1'000'000'000;
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}
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// 11.6.5 GetIANATimeZoneNextTransition ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezonenexttransition
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// 11.6.4 GetIANATimeZoneNextTransition ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezonenexttransition
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BigInt* get_iana_time_zone_next_transition(VM&, [[maybe_unused]] BigInt const& epoch_nanoseconds, [[maybe_unused]] StringView time_zone_identifier)
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{
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// The implementation-defined abstract operation GetIANATimeZoneNextTransition takes arguments epochNanoseconds (a BigInt) and timeZoneIdentifier (a String) and returns a BigInt or null.
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@ -206,7 +192,7 @@ BigInt* get_iana_time_zone_next_transition(VM&, [[maybe_unused]] BigInt const& e
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return nullptr;
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}
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// 11.6.6 GetIANATimeZonePreviousTransition ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneprevioustransition
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// 11.6.5 GetIANATimeZonePreviousTransition ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneprevioustransition
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BigInt* get_iana_time_zone_previous_transition(VM&, [[maybe_unused]] BigInt const& epoch_nanoseconds, [[maybe_unused]] StringView time_zone_identifier)
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{
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// The implementation-defined abstract operation GetIANATimeZonePreviousTransition takes arguments epochNanoseconds (a BigInt) and timeZoneIdentifier (a String) and returns a BigInt or null.
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@ -260,7 +246,7 @@ bool is_valid_time_zone_numeric_utc_offset_syntax(String const& offset_string)
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return parse_time_zone_numeric_utc_offset_syntax(offset_string, discarded, discarded, optionally_discarded, optionally_discarded, optionally_discarded);
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}
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// 11.6.7 ParseTimeZoneOffsetString ( offsetString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetimezoneoffsetstring
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// 11.6.6 ParseTimeZoneOffsetString ( offsetString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetimezoneoffsetstring
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ThrowCompletionOr<double> parse_time_zone_offset_string(VM& vm, String const& offset_string)
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{
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// 1. Let parseResult be ParseText(StringToCodePoints(offsetString), TimeZoneNumericUTCOffset).
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@ -333,7 +319,7 @@ ThrowCompletionOr<double> parse_time_zone_offset_string(VM& vm, String const& of
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return factor * (((hours_mv * 60 + minutes_mv) * 60 + seconds_mv) * 1e9 + nanoseconds_mv);
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}
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// 11.6.8 FormatTimeZoneOffsetString ( offsetNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-formattimezoneoffsetstring
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// 11.6.7 FormatTimeZoneOffsetString ( offsetNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-formattimezoneoffsetstring
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String format_time_zone_offset_string(double offset_nanoseconds)
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{
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auto offset = static_cast<i64>(offset_nanoseconds);
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@ -387,7 +373,7 @@ String format_time_zone_offset_string(double offset_nanoseconds)
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return builder.to_string();
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}
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// 11.6.9 FormatISOTimeZoneOffsetString ( offsetNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-formatisotimezoneoffsetstring
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// 11.6.8 FormatISOTimeZoneOffsetString ( offsetNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-formatisotimezoneoffsetstring
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String format_iso_time_zone_offset_string(double offset_nanoseconds)
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{
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// 1. Assert: offsetNanoseconds is an integer.
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@ -414,7 +400,7 @@ String format_iso_time_zone_offset_string(double offset_nanoseconds)
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return String::formatted("{}{:02}:{:02}", sign, (u32)hours, (u32)minutes);
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}
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// 11.6.10 ToTemporalTimeZone ( temporalTimeZoneLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaltimezone
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// 11.6.9 ToTemporalTimeZone ( temporalTimeZoneLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaltimezone
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ThrowCompletionOr<Object*> to_temporal_time_zone(VM& vm, Value temporal_time_zone_like)
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{
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// 1. If Type(temporalTimeZoneLike) is Object, then
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@ -472,7 +458,7 @@ ThrowCompletionOr<Object*> to_temporal_time_zone(VM& vm, Value temporal_time_zon
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return MUST(create_temporal_time_zone(vm, *parse_result.offset_string));
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}
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// 11.6.11 GetOffsetNanosecondsFor ( timeZone, instant ), https://tc39.es/proposal-temporal/#sec-temporal-getoffsetnanosecondsfor
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// 11.6.10 GetOffsetNanosecondsFor ( timeZone, instant ), https://tc39.es/proposal-temporal/#sec-temporal-getoffsetnanosecondsfor
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ThrowCompletionOr<double> get_offset_nanoseconds_for(VM& vm, Value time_zone, Instant& instant)
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{
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// 1. Let getOffsetNanosecondsFor be ? GetMethod(timeZone, "getOffsetNanosecondsFor").
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@ -500,7 +486,7 @@ ThrowCompletionOr<double> get_offset_nanoseconds_for(VM& vm, Value time_zone, In
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return offset_nanoseconds;
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}
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// 11.6.12 BuiltinTimeZoneGetOffsetStringFor ( timeZone, instant ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetoffsetstringfor
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// 11.6.11 BuiltinTimeZoneGetOffsetStringFor ( timeZone, instant ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetoffsetstringfor
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ThrowCompletionOr<String> builtin_time_zone_get_offset_string_for(VM& vm, Value time_zone, Instant& instant)
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{
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// 1. Let offsetNanoseconds be ? GetOffsetNanosecondsFor(timeZone, instant).
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@ -510,7 +496,7 @@ ThrowCompletionOr<String> builtin_time_zone_get_offset_string_for(VM& vm, Value
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return format_time_zone_offset_string(offset_nanoseconds);
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}
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// 11.6.13 BuiltinTimeZoneGetPlainDateTimeFor ( timeZone, instant, calendar ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetplaindatetimefor
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// 11.6.12 BuiltinTimeZoneGetPlainDateTimeFor ( timeZone, instant, calendar ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetplaindatetimefor
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ThrowCompletionOr<PlainDateTime*> builtin_time_zone_get_plain_date_time_for(VM& vm, Value time_zone, Instant& instant, Object& calendar)
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{
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// 1. Assert: instant has an [[InitializedTemporalInstant]] internal slot.
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@ -528,7 +514,7 @@ ThrowCompletionOr<PlainDateTime*> builtin_time_zone_get_plain_date_time_for(VM&
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return create_temporal_date_time(vm, result.year, result.month, result.day, result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond, calendar);
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}
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// 11.6.14 BuiltinTimeZoneGetInstantFor ( timeZone, dateTime, disambiguation ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetinstantfor
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// 11.6.13 BuiltinTimeZoneGetInstantFor ( timeZone, dateTime, disambiguation ), https://tc39.es/proposal-temporal/#sec-temporal-builtintimezonegetinstantfor
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ThrowCompletionOr<Instant*> builtin_time_zone_get_instant_for(VM& vm, Value time_zone, PlainDateTime& date_time, StringView disambiguation)
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{
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// 1. Assert: dateTime has an [[InitializedTemporalDateTime]] internal slot.
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@ -540,7 +526,7 @@ ThrowCompletionOr<Instant*> builtin_time_zone_get_instant_for(VM& vm, Value time
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return disambiguate_possible_instants(vm, possible_instants, time_zone, date_time, disambiguation);
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}
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// 11.6.15 DisambiguatePossibleInstants ( possibleInstants, timeZone, dateTime, disambiguation ), https://tc39.es/proposal-temporal/#sec-temporal-disambiguatepossibleinstants
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// 11.6.14 DisambiguatePossibleInstants ( possibleInstants, timeZone, dateTime, disambiguation ), https://tc39.es/proposal-temporal/#sec-temporal-disambiguatepossibleinstants
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ThrowCompletionOr<Instant*> disambiguate_possible_instants(VM& vm, MarkedVector<Instant*> const& possible_instants, Value time_zone, PlainDateTime& date_time, StringView disambiguation)
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{
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// 1. Assert: dateTime has an [[InitializedTemporalDateTime]] internal slot.
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@ -658,7 +644,7 @@ ThrowCompletionOr<Instant*> disambiguate_possible_instants(VM& vm, MarkedVector<
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return possible_instants_[n - 1];
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}
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// 11.6.16 GetPossibleInstantsFor ( timeZone, dateTime ), https://tc39.es/proposal-temporal/#sec-temporal-getpossibleinstantsfor
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// 11.6.15 GetPossibleInstantsFor ( timeZone, dateTime ), https://tc39.es/proposal-temporal/#sec-temporal-getpossibleinstantsfor
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ThrowCompletionOr<MarkedVector<Instant*>> get_possible_instants_for(VM& vm, Value time_zone, PlainDateTime& date_time)
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{
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// 1. Assert: dateTime has an [[InitializedTemporalDateTime]] internal slot.
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@ -703,7 +689,7 @@ ThrowCompletionOr<MarkedVector<Instant*>> get_possible_instants_for(VM& vm, Valu
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return { move(list) };
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}
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// 11.6.17 TimeZoneEquals ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal-timezoneequals
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// 11.6.16 TimeZoneEquals ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal-timezoneequals
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ThrowCompletionOr<bool> time_zone_equals(VM& vm, Object& one, Object& two)
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{
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// 1. If one and two are the same Object value, return true.
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