| @@ -68,9 +68,9 @@ | ||
| 68 | 68 | * @param string $code The source code to lex |
| 69 | 69 | * @param ErrorHandler|null $errorHandler Error handler to use for lexing errors. Defaults to |
| 70 | 70 | * ErrorHandler\Throwing |
| 71 | 71 | */ |
| 72 | - public function startLexing(string $code, ErrorHandler $errorHandler = null) { | |
| 72 | + public function startLexing(string $code, ?ErrorHandler $errorHandler = null) { | |
| 73 | 73 | if (null === $errorHandler) { |
| 74 | 74 | $errorHandler = new ErrorHandler\Throwing(); |
| 75 | 75 | } |
| 76 | 76 | |