class NonZeroNumber {
  constructor(readonly num: number) {
    if (num === 0) throw 'Value cannot be 0';
  }
}

function devide(x: number, y: NonZeroNumber) {
  console.log(x / y.num);
}

devide(2, new NonZeroNumber(2)); //Yes, man, this is typescript!
devide(2, {num: 0}); //ahahahahhahahahahahahahahahahahah