[Go] Bitwise operators

package main

import (
    "fmt"
)

const EXEC = 1  // 0001
const WRITE = 2 // 0010
const READ = 4  // 0100

func main() {
    // Read only
    fmt.Println(READ)

    // Read and write
    fmt.Println(READ ^ WRITE)

    // Read and Exec
    fmt.Println(READ ^ EXEC)
}