private IEnumerable <TEdge> GetEdges(TVertex vertex)
{
IEnumerable <TEdge> inEdges;
if (VisitedGraph.TryGetInEdges(vertex, out inEdges))
{
foreach (TEdge edge in inEdges)
{
yield return(edge);
}
}
IEnumerable <TEdge> outEdges;
if (VisitedGraph.TryGetOutEdges(vertex, out outEdges))
{
foreach (TEdge edge in outEdges)
{
yield return(edge);
}
}
}