Assuming I have 3 bytes (2x2bits and 1x3bits) packed like this:
func pack(a, b, c byte) byte { // is there a more efficient way to pack them?
return a<<6 | b<<4 | c
}
func main() {
v := pack(1, 2, 6)
a := v >> 6
b := v >> 4 // wrong
c := v & 7
fmt.Println(v, a, b, c)
}
How do I unpack b
?