public int CompareTo(object obj)
{
if (obj is Subject other)
{
return(LessonName.CompareTo(other.LessonName) ^ Teacher.CompareTo(other.Teacher));
}
else
{
throw new Exception("Несравнимые объекты");
}
}
public new int CompareTo(object obj)
{
switch (obj)
{
case Lesson other:
return(LessonName.CompareTo(other.LessonName) + Teacher.CompareTo(other.Teacher) + StartLesson.CompareTo(other.StartLesson) + FinishLesson.CompareTo(other.FinishLesson) + NameGroup.CompareTo(other.NameGroup) + NumberGroup.CompareTo(other.NumberGroup));
default:
throw new Exception("Несравнимые объекты");
}
}
public override int GetHashCode()
{
return(LessonName != null?LessonName.GetHashCode() : 0);
}