gistfile1.txt

func main() {
	s1 := []byte("this is a test")
	s2 := []byte("wokka wokka!!!")

	fmt.Println("Hello, playground")
	fmt.Println(bhamming(0xFF, 0))
	fmt.Println(hamming(s1, s2))

}

func hamming(a, b []byte) int {
	var count int = 0
	if len(a) != len(b) {
		return 0
	}

	for i, _ := range a {
		count = count + bhamming(a[i], b[i])
	}
	return count
}

func bhamming(a, b byte) int {
	var count int = 0
	var i uint
	c := a ^ b

	for i = 0; i < 8; i++ {
		if ((c >> i) & 0x01) == 1 {
			count = count + 1
		}
	}
	return count
}