public static Range <T> New <T>(T lowerBound, T upperBound)
where T : IComparable <T>
{
return(Range.Closed <T>(lowerBound, upperBound));
}
public static Range <T> Degenerate <T>(T value)
where T : IComparable <T>
{
return(Range.Closed <T>(value, value));
}