Method toString

src/13-graph/graph.js:42–52

()

  }

  toString() {
    let s = '';
    this.#vertices.forEach(vertex => {
      s += `${vertex} -> `;
      this.#adjList.get(vertex).forEach(neighbor => {
        s += `${neighbor} `;
      });
      s += '\n';
    });
    return s;
  } 
}

module.exports = Graph;