Golang convert string to int - example

Golang convert string to int - example

In Golang, you can convert string to int type using the following functions. strconv.ParseInt(s, base, bitSize) and strconv.Atoi(s)

In Golang, you can convert string to int type using the following functions.

  1. strconv.ParseInt(s, base, bitSize)
  2. strconv.Atoi(s)

Let’s checkout the example of above functions:

1. Golang convert string to int using strconv.ParseInt(s, base, bitSize)

package main

import (
    "fmt"
    "strconv"
)

func main() {
    str := "1111"

    n, err := strconv.ParseInt(str, 2, 32)

    if err != nil {
        fmt.Println(err)
    } else {
        fmt.Println(n)
    }
}

The strconv.ParseInt(s, base, bitSize) converts the given string to an integer in the given base (0, 2 to 36) and bit size (0 to 64). The output of the above code will be 15 .

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