public bool Overlaps(Interval <T> other)
{
return(From.CompareTo(other.To) <= 0 &&
To.CompareTo(other.From) >= 0);
}
public bool Contains(Interval <T> other)
{
return(From.CompareTo(other.From) <= 0 &&
To.CompareTo(other.To) >= 0);
}