func Concat(arrays ...[]byte) []byte {
	var result []byte = arrays[0]

	for _, arr := range arrays[1:] {
		result = append(result, arr...)
	}

	return result
}
func Concat(arrays ...[]byte) []byte {
	var result []byte = arrays[0]

	for _, arr := range arrays[1:] {
		result = append(result, arr...)
	}

	return result
}
func Concat ( arrays ... [ ] byte ) [ ] byte { var result [ ] byte = arrays [ 0 ] for _ , arr := range arrays [ 1 : ] { result = append ( result , arr ... ) } return result }
// Concat combine several arrays into single one, resulting slice = A1 | A2 | A3 | ... | An
Concat combine several arrays into single one resulting slice = A1 | A2 | A3 | ... | An