func time.daysIn

4 uses

	time (current package)
		format.go#L1382: 	if day < 1 || day > daysIn(Month(month), year) {
		format_rfc3339.go#L109: 	day := parseUint(s[8:10], 1, daysIn(Month(month), year)) // e.g., 02
		time.go#L1285: func daysIn(m Month, year int) int {
		zoneinfo.go#L591: 			if d+7 >= daysIn(Month(r.mon), year) {