public bool AreVerticesConnected(T from, T to)
{
if (TryGetVertex(to, out Vertex <T> toVertex) && TryGetVertex(from, out Vertex <T> fromVertex))
{
var verticesFromSource = BreadthFirstSearch.GetConnectedVertices(this, fromVertex);
return(verticesFromSource.Contains(toVertex));
}
throw new ArgumentOutOfRangeException("Some vertex is not part of the graph.");
}