// [a, b] = [1, 2] / Array Matching
let [a, b] = [8, 80];
console.log(a); //=> 8
console.log(b); //=> 80

let [a, , b] = [8, 80, 800]; // Ignoring some values
console.log(a); //=> 8
console.log(b); //=> 80

// Swapping variables
let a = 1;
let b = 3;
[a, b] = [b, a];
console.log(a); //=> 3
console.log(b); //=> 1

let [number, string] = [8, 'fulano'];
console.log(number); //=> 8
console.log(string); //=> 'fulano'

let [ip, mask = '255.255.255.0'] = ['192.168.0.2']; // Fail-Soft Destructuring
console.log(ip); //=> '192.168.0.2'
console.log(mask); //=> '255.255.255.0'

let [ip, mask = '255.255.255.0'] = ['192.168.0.2', '255.255.0.0'];
console.log(ip); //=> '192.168.0.2'
console.log(mask); //=> '255.255.0.0'

// {a, b} = {a:1, b:2} / Object Matching
let { ip, mask } = { ip: '192.168.0.2', mask: '255.255.255.0' };
console.log(ip); //=> '192.168.0.2'
console.log(mask); //=> '255.255.255.0'