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LibJS: Implement Temporal.PlainDate.compare
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@ -220,4 +220,37 @@ bool is_valid_iso_date(i32 year, u8 month, u8 day)
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return true;
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}
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// 3.5.10 CompareISODate ( y1, m1, d1, y2, m2, d2 ), https://tc39.es/proposal-temporal/#sec-temporal-compareisodate
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i8 compare_iso_date(i32 year1, u8 month1, u8 day1, i32 year2, u8 month2, u8 day2)
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{
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// 1. Assert: y1, m1, d1, y2, m2, and d2 are integers.
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// 2. If y1 > y2, return 1.
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if (year1 > year2)
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return 1;
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// 3. If y1 < y2, return -1.
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if (year1 < year2)
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return -1;
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// 4. If m1 > m2, return 1.
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if (month1 > month2)
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return 1;
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// 5. If m1 < m2, return -1.
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if (month1 < month2)
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return -1;
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// 6. If d1 > d2, return 1.
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if (day1 > day2)
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return 1;
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// 7. If d1 < d2, return -1.
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if (day1 < day2)
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return -1;
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// 8. Return 0.
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return 0;
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}
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}
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