util

func ArrayToMap(arr []string, sep string) map[string][]string

func Combinations2(arr []int, callback func(tuple *tuple.Tuple))

func Combinations3(arr []int, callback func(triple *triple.Triple))

func Copy(dst, src interface{}) (err error)

func EnsureDirExists(dirname string, mode os.FileMode) (err error)

func Hash(hash crypto.Hash, in []byte) (out []byte)

func MD5(in []byte) (out []byte)

func MD5String(in []byte) (out string)

func MyIPAddresses() (ips []string)

func MyMACs() (macs []string)

func PanicOnError(err error)

func ReaderHash(hash crypto.Hash, reader io.Reader) (out []byte, err error)

func ReaderMD5(reader io.Reader) (out []byte, err error)

func ReaderSHA256(reader io.Reader) (out []byte, err error)

func SHA256(in []byte) (out []byte)

func Struct2Map(st interface{}, tagStr string) map[string]interface{}