func time.formatNano

2 uses

	time (current package)
		format.go#L416: func formatNano(b []byte, nanosec uint, n int, trim bool) []byte {
		format.go#L672: 			b = formatNano(b, uint(t.Nanosecond()), std>>stdArgShift, std&stdMask == stdFracSecond9)