visitLinkedDirectedEdges method
Implementation
void visitLinkedDirectedEdges(DirectedEdge? start) {
DirectedEdge? startDe = start;
DirectedEdge? de = start;
do {
Assert.isTrue(de != null, "found null Directed Edge");
de!.setVisited(true);
de = de.getNext();
} while (de != startDe);
}