Gliph\Graph\UndirectedAdjacencyList::edges PHP Метод

    public function edges()
    {
        $complete = new \SplObjectStorage();
        $oset = $this->getTraversableSplos($this->vertices);
        foreach ($oset as $v) {
            $set = $this->getTraversableSplos($this->vertices[$v]);
            foreach ($set as $a) {
                if (!$complete->contains($a)) {
                    (yield array($v, $a));
                }
            }
            $complete->attach($v);
            $this->walking->detach($set);
        }
        $this->walking->detach($oset);
    }