Convert String to Binary in Golang

package main

import (
    "fmt"
)

func stringToBinary(s string) (binString string) {
    for _, c := range s {
        binString = fmt.Sprintf("%s%b", binString, c)
    }
    return
}

func main() {

    str := "nilpointer.net"
    result := stringToBinary(str)
    fmt.Println(result)

}    

Output

1101110110100111011001110000110111111010011101110111010011001011110010101110110111011001011110100