/// <summary>
/// Returns the time span of a date range.
/// </summary>
/// <param name="range">The range of values.</param>
/// <returns>The length of the range.</returns>
public static double?GetLength(this Range <double> range)
{
return(range.HasData ? range.Maximum - range.Minimum : new double?());
}
/// <summary>
/// Returns the time span of a date range.
/// </summary>
/// <param name="range">The range of values.</param>
/// <returns>The length of the range.</returns>
public static TimeSpan?GetLength(this Range <DateTime> range)
{
return(range.HasData ? range.Maximum - range.Minimum : new TimeSpan?());
}