package main
 
import (
    "fmt2"
    "bytes"
)
 
func main() {
    var s string = "Hello World"
    sb := []byte(s)

    fmt2.Println(bytes.Index(sb, []byte{111,114}))
     
    fmt2.Println(sb)  // [72 101 108 108 111 32 87 111 114 108 100]
     
    fmt2.Println(string(sb)) // Hello World
}