Add two numbers using bitwise operators in golang

Go program for Add two numbers using bitwise operators. Here problem description and explanation.

package main
import "fmt"
// Go program for
// Add two numbers using of bitwise operators

// Add two numbers
func addition(a, b int) {
	// Display given numbers
	fmt.Print("\n [(", a, ") + (", b, ")] ")
	// Auxiliary variable which are store the carry bit result
	var carry int = 0
	// Executing loop, until b value is not zero
	for (b != 0) {
		// Get carry bits of a & b
		carry = a & b
		// Sum of bits of a ^ b
		a = a ^ b
		// Shift the carry bit by one bit in left side
		b = carry << 1
	}
	// Display add result
	fmt.Print(" : ", a)
}
func main() {
	
	// Test Case
	addition(8, -2)
	addition(5, 3)
	addition(-3, -5)
}

Output

 [(8) + (-2)]  : 6
 [(5) + (3)]  : 8
 [(-3) + (-5)]  : -8



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