public IEnumerable <TValue> GreaterThanOrEqual(TKey gteKey)
{
int compare = comparer.Compare(theKey, gteKey);
if (compare < 0)
{
foreach (var value in Right.GreaterThanOrEqual(gteKey))
{
yield return(value);
}
yield break;
}
foreach (var value in Left.GreaterThanOrEqual(gteKey))
{
yield return(value);
}
yield return(Value);
foreach (var value in Right.GreaterThanOrEqual(gteKey))
{
yield return(value);
}
}