Billion_Dollar_Mistake_nullable_arg.cs

bool DoesUserHaveAnAdorableShippingDetailsName(User? user) {
  var name = user
    .ShippingDetails
    .Name;
  
  var namesSplit = name.Split(' ');
  var firstName = namesSplit[0];
  var lastName = namesSplit[1];
  if(lastName.EndsWith("son"))
    return false;
    
  return firstName.StartsWith("Mc") && lastName.StartsWith("Fluffy");
}