package main

import "fmt"

func main() {
	a := 1
	b := 2

	fmt.Printf("a: %d, b: %d\n", a, b)

	// 变量交换
	b ^= a
	a ^= b
	b ^= a

	fmt.Printf("a: %d, b: %d\n", a, b)

	fmt.Println("=========================================================")

	fmt.Println("a+b =>", a+b)
	fmt.Println("a-b =>", a-b)
	fmt.Println("a*b =>", a*b)
	fmt.Println("a/b =>", a/b)
	fmt.Printf("a%%b => %d\n", a%b)
	fmt.Println("a^b =>", a^b)

	fmt.Println("=========================================================")

	// 自增
	b++
	// 自减
	a--
	fmt.Printf("a: %d, b: %d\n", a, b)

	fmt.Println("=========================================================")

	// 关系运算符
	fmt.Println("a==b :", a == b)
	fmt.Println("a!=b :", a != b)
	fmt.Println("a>b :", a > b)
	fmt.Println("a>=b :", a >= b)
	fmt.Println("a<b :", a < b)
	fmt.Println("a<=b :", a <= b)
}