@@ -207,7 +207,7 @@ |
||
| 207 | 207 | } elseif ($vertex->equals($target)) { |
| 208 | 208 | return $source; |
| 209 | 209 | } else { |
| 210 | - throw new InvalidArgumentException("no such vertex: " + $vertex); |
|
| 210 | + throw new InvalidArgumentException("no such vertex: " +$vertex); |
|
| 211 | 211 | } |
| 212 | 212 | } |
| 213 | 213 | |
@@ -394,13 +394,13 @@ |
||
| 394 | 394 | public function __toString(): string |
| 395 | 395 | { |
| 396 | 396 | if (!empty($this->vertexList)) { |
| 397 | - return implode('', array_map(function ($vertex) { |
|
| 397 | + return implode('', array_map(function($vertex) { |
|
| 398 | 398 | return (string) $vertex; |
| 399 | 399 | }, $this->vertexList)); |
| 400 | 400 | } |
| 401 | 401 | |
| 402 | 402 | if (!empty($this->edgeList)) { |
| 403 | - return implode('', array_map(function ($edge) { |
|
| 403 | + return implode('', array_map(function($edge) { |
|
| 404 | 404 | return (string) $edge; |
| 405 | 405 | }, $this->edgeList)); |
| 406 | 406 | } |