public virtual IEnumerable <Edge> Outgoing(TKey key)
{
if (_eOrdered)
{
var min = Tuple.Create(key, Vertices[0].Key);
var max = Tuple.Create(key, Vertices[Vertices.Count - 1].Key);
var minInd = Edges.BinarySearch(min, GBinarySearch.Option.EqOrGreater);
var maxInd = Edges.BinarySearch(max, GBinarySearch.Option.EqOrLess);
if (minInd >= 0 && maxInd >= 0)
{
for (int i = minInd; i <= maxInd; i++)
{
yield return(Edges[i]);
}
}
}
else
{
foreach (var e in Edges)
{
if (e.Source.Key.CompareTo(key) == 0)
{
yield return(e);
}
}
}
}
