class Employee{
  String empName;
  DateTime joiningDate;
  
  Employee(this.empName, this.joiningDate);
  
  int get daysOfWork{
    return DateTime.now().difference(joiningDate).inDays;
  }
}

void main(){
  Employee m = Employee("Manish", DateTime(2023,07,12));
  print(m.daysOfWork);
}