golang cast string to int code example

Example 1: golang convert string to int

Int, err := strconv.Atoi("12345")

Example 2: golang convert string to int64

s := "97"
n, err := strconv.ParseInt(s, 10, 64)
if err == nil {
    fmt.Printf("%d of type %T", n, n)
}

Example 3: convert string to int golang

var s string
i, err := strconv.Atoi(s)