#string 2 int
int, err := strconv.Atoi(string)
#string 2 int64
int64, err := strconv.ParseInt(string, 10, 64)
#int 2 string
string := strconv.Itoa(int)
#int64 2 string
string := strconv.FormatInt(int64, 10)
#string 2 int
int, err := strconv.Atoi(string)
#string 2 int64
int64, err := strconv.ParseInt(string, 10, 64)
#int 2 string
string := strconv.Itoa(int)
#int64 2 string
string := strconv.FormatInt(int64, 10)