Example of how to fix the original function using the safe function

WorkingExampleOfSafeFatherNameAccess.js

const safeDarthVader = safe({
  name : 'Anakin',
  mother : {
    name : 'Shmi'
  }
});

function getFatherName(person) {
  return person.father.name
}
function getName(person) {
  return person.name
}


let darthVadersFather = either(getFatherName(safeDarthVader), `${getName(safeDarthVader)} has no father`);

console.log(darthVadersFather); // Prints 'Anakin has no father'