i dont know why i am still got `CS8602 - Dereference of a possibly null reference.` in that indexer
here is an indexer i still got this warning in the setter i dont know why
c#
public string? this[int employee_id]
{
get => listEmployees?.FirstOrDefault(emp => emp.EmployeeId == employee_id)?.Name ?? "No Name Found";
set => listEmployees.FirstOrDefault(emp => emp.EmployeeId == employee_id).Name = value;
}