"use strict"; const s = require("../"); let PersonName = s.createType(s.string({ matches: /^[a-z0-9 '-]+$/ })); let Person = s.createType({ name: PersonName, age: s.number(), isAlive: s.boolean() }); for (let i = 0; i < 500000; i++) { let me = Person({ name: "somebody", age: 42, isAlive: true }); let a = (me.name, me.age, me.isAlive); } console.log("Done");