// Format v into a hex string with a leading digit indicating its length.
Format v into a hex string with a leading digit indicating its length.
// Format v into a hex string with a leading digit indicating its length .
func Format(v uint64) string {
	s := strconv.FormatUint(v, 16)
	s = strconv.FormatUint(uint64(len(s))-1, 16) + s
	return s
}
func Format ( v uint64 ) string { s := strconv . FormatUint ( v , 16 ) s = strconv . FormatUint ( uint64 ( len ( s ) ) - 1 , 16 ) + s return s }
Format v into a hex string with a leading digit indicating its length.
Format v into a hex string with a leading digit indicating its length .