function logIfHasName(something: { name?: string }) {
console.log(something.name);
var person = { name: 'matt', job: 'being awesome' };
var animal = { name: 'cow', diet: 'vegan, but has milk of own species' };
logIfHasName(person); // okay
logIfHasName(animal); // okay
logIfHasName({neme: 'I just misspelled name to neme'}); // Error: object literals must only specify known properties. `neme` is excessive here.