feat: Added Go style date format configuration.

bench/date/parse.odin

@@ -0,0 +1,44 @@
+package main
+
+Date_Components :: struct {
+	year:   int,
+	month:  int,
+	day:    int,
+	hour:   int,
+	minute: int,
+	second: int,
+}
+
+// TODO: Use some kind of scanner interface
+parse_iso_date :: proc(iso: string) -> (c: Date_Components, ok: bool) {
+	if len(iso) < 10 {
+		return {}, false
+	}
+
+	c.year = parse_2_digits(iso, 0) * 100 + parse_2_digits(iso, 2)
+	c.month = parse_2_digits(iso, 5)
+	c.day = parse_2_digits(iso, 8)
+
+	if c.month < 1 || c.month > 12 {
+		return {}, false
+	}
+	if c.day < 1 || c.day > 31 {
+		return {}, false
+	}
+
+	if len(iso) >= 19 && (iso[10] == 'T' || iso[10] == 't') {
+		c.hour = parse_2_digits(iso, 11)
+		c.minute = parse_2_digits(iso, 14)
+		c.second = parse_2_digits(iso, 17)
+	}
+
+	return c, true
+}
+
+parse_2_digits :: proc(s: string, offset: int) -> int {
+	if offset + 1 >= len(s) {
+		return 0
+	}
+	return (int(s[offset]) - 0x30) * 10 + (int(s[offset + 1]) - 0x30)
+}
+