nmea checksum calculator in Golang

nmea_checksum_creator.go

func nmea0183_checksum(nmea_in string) int {

    check_sum:= 0

    nmea_data := []byte(nmea_in)

    for i:= 1; i < len(nmea_in) - 3; i ++ {
        check_sum ^= (int)(nmea_data[i])
    }

    return check_sum;
}