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Golang strconv.Itoa() Function with Examples

Golang | strconv.Itoa() Function: Here, we are going to learn about the Itoa() function of the strconv package with its usages, syntax, and examples.
Submitted by IncludeHelp, on September 07, 2021

strconv.Itoa()

The Itoa() function is an inbuilt function of the strconv package which is used to get the string representation of the given integer (int). The Itoa() function is equivalent to FormatInt(int64(i), 10).

It accepts a parameter (i) and returns the string representation of the given integer value.

Syntax

func Itoa(i int) string

Parameters

• i : An integer value that is to be converted in the string format.

Return Value

The return type of Itoa() function is a string, it returns the string representation of the given integer value.

Example 1

// Golang program to demonstrate the
// example of strconv.Itoa() Function

package main

import (
	"fmt"
	"strconv"
)

func main() {
	fmt.Println(strconv.Itoa(255))
	fmt.Println(strconv.Itoa(65535))
	fmt.Println(strconv.Itoa(12345678912345))
	fmt.Println()

	fmt.Println(strconv.Itoa(-255))
	fmt.Println(strconv.Itoa(-65535))
	fmt.Println(strconv.Itoa(-12345678912345))
}

Output:

255
65535
12345678912345

-255
-65535
-12345678912345

Example 2

// Golang program to demonstrate the
// example of strconv.Itoa() Function

package main

import (
	"fmt"
	"strconv"
)

func main() {
	var x int
	var y int
	var result string

	x = 108
	result = strconv.Itoa(x)
	fmt.Printf("x: Type %T, value %v\n", x, x)
	fmt.Printf("result: Type %T, value %q\n", result, result)
	fmt.Println()

	y = 64
	result = strconv.Itoa(y)
	fmt.Printf("y: Type %T, value %v\n", y, y)
	fmt.Printf("result: Type %T, value %q\n", result, result)
	fmt.Println()

	z := x + y
	result = strconv.Itoa(z)
	fmt.Printf("z: Type %T, value %v\n", z, z)
	fmt.Printf("result: Type %T, value %q\n", result, result)
}

Output:

x: Type int, value 108
result: Type string, value "108"

y: Type int, value 64
result: Type string, value "64"

z: Type int, value 172
result: Type string, value "172"

Golang strconv Package »

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