protected function checkEdgeDir(string $node_name): void
    {
        $dirname = $this->folder.DIRECTORY_SEPARATOR.$node_name."Out";
        if(!file_exists($dirname)) {
            throw new Exceptions\AbsentEdgeDirImparityException($dirname, $node_name);
        }
    }
protected function checkEdgeDir(string $node_name): void
    {
        $dirname = $this->folder.DIRECTORY_SEPARATOR.$node_name."Out";
        if(!file_exists($dirname)) {
            throw new Exceptions\AbsentEdgeDirImparityException($dirname, $node_name);
        }
    }
protected function checkEdgeDir ( string $ node_name ) : void { $ dirname = $ this -> folder . DIRECTORY_SEPARATOR . $ node_name . "Out" ; if ( ! file_exists ( $ dirname ) ) { throw new Exceptions \ AbsentEdgeDirImparityException ( $ dirname , $ node_name ) ; } }
Checks if the node has a directory for its edges.

@param string $node_name The name of the node.

@return void

@throws Exceptions\AbsentEdgeDirImparityException if the node does not have a directory for its edges.
Checks if the node has a directory for its edges .