luhn-generator/update/node_modules/object-inspect/example/circular.js

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

'use strict';

var inspect = require('../');
var obj = { a: 1, b: [3, 4] };
obj.c = obj;
console.log(inspect(obj));