Getting started with graphs

graphs.dart

void main() {
  final oVertice1 = Vertice(1);
  final oVertice2 = Vertice(2);
  final oVertice3 = Vertice(3);
  final oVertice4 = Vertice(4);
  final oVertice5 = Vertice(5);
  final oVertice6 = Vertice(6);

  oVertice6.add(oVertice4);

  oVertice4
    ..add(oVertice5)
    ..add(oVertice3);

  oVertice5
    ..add(oVertice1)
    ..add(oVertice2);

  oVertice2.add(oVertice1);
  oVertice3.add(oVertice2);

  caminar(oVertice6);
}

void caminar(Vertice vertice,[String sangria = '\t']) {
  print('${vertice.valor}'+ sangria);
  for (Vertice v in vertice.aristas) {
    caminar(v,sangria + '\t');
  }
}

class Vertice {
  final int valor;
  final List<Vertice> aristas = [];
  Vertice(
    this.valor,
  );

  void add(Vertice vertice) {
    aristas.add(vertice);
  }
}