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bits.ReverseBytes32() Function in Golang with Examples

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  • Last Updated : 28 Apr, 2020
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Go language provides inbuilt support for bits to implement bit counting and manipulation functions for the predeclared unsigned integer types with the help of bits package. This package provides ReverseBytes32() function which is used to find the reversed order of the value of a. To access the ReverseBytes32() function you need to add a math/bits package in your program with the help of the import keyword.

Syntax:

func ReverseBytes32(a uint32) uint32

Parameters: This function takes one parameter of uint32 type, i.e., a.

Return Value: This function returns the value of a with its bits in reversed order.

Example 1:




// Golang program to illustrate 
// bits.ReverseBytes32() Function
  
package main
  
import (
    "fmt"
    "math/bits"
)
  
// Main function
func main() {
  
    // Finding the reverse order of a
    // Using ReverseBytes32() function
    a := bits.ReverseBytes32(7)
    fmt.Printf("Reverse order of %d: %b", 7, a)
  
}

Output:

Reverse order of 7: 111000000000000000000000000

Example 2:




// Golang program to illustrate
// bits.ReverseBytes32() Function
package main
  
import (
    "fmt"
    "math/bits"
)
  
// Main function
func main() {
  
    // Finding the reverse order of a
    // Using ReverseBytes32() function
    a1 := bits.ReverseBytes32(3)
    fmt.Printf("ReverseBytes32(%032b) := %b\n", 3, a1)
  
    a2 := bits.ReverseBytes32(9)
    fmt.Printf("ReverseBytes32(%032b) := %b\n", 9, a2)
  
}

Output:

ReverseBytes32(00000000000000000000000000000011) := 11000000000000000000000000
ReverseBytes32(00000000000000000000000000001001) := 1001000000000000000000000000

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