reflect.Bytes() Function in Golang with Examples

Go language provides inbuilt support implementation of run-time reflection and allowing a program to manipulate objects with arbitrary types with the help of reflect package. The reflect.Bytes() Function in Golang is used to get Value underlying value. To access this function, one needs to imports the reflect package in the program.

Syntax:

func (v Value) Bytes() []byte

Parameters: This function does not accept any parameters.

Return Value: This function returns the v’s underlying value.

Below examples illustrate the use of the above method in Golang:

Example 1:

// Golang program to illustrate
// reflect.Bytes() Function

package main

import (
    "fmt"
    "reflect"
)

type vall[]uint8

// Main function
func main() {

    // use of Bytes() method
    fmt.Println(reflect.ValueOf(vall{'A', 'B', 'C', 'D', 'E'}).Bytes())
}

Output:

[65 66 67 68 69]

Example 2:

// Golang program to illustrate
// reflect.Bytes() Function

package main

import (
    "fmt"
    "reflect"
)

type val1 uint8
type slicee []val1

// Main function
func main() {
    var val = slicee{11, 12, 13}

    // use of Bytes() method
    va := reflect.ValueOf(val).Bytes()
    va[1] = 4
    fmt.Println(val)
}

Output:

[11 4 13]