TimeSpan Extensions Method IsBetween

TimeSpanExtensionsMethodIsBetween.cs

public static class TimeSpanExtensions
{
    public static bool IsBetween(this TimeSpan target, TimeSpan start, TimeSpan end)
    {
        if (target == start) return true;
        if (target == end) return true;

        if (start <= end)
            return (target >= start && target <= end);
        else
            return !(target >= end && target <= start);
    }
}