| @@ -20,7 +20,7 @@ | ||
| 20 | 20 | public function evaluate($exp, Env $env, Evaluator $evaluate) | 
| 21 | 21 |      { | 
| 22 | 22 | list($lambda, $params, $body) = $exp; | 
| 23 | -        return function (...$args) use ($env, $body, $params, $evaluate) { | |
| 23 | +        return function(...$args) use ($env, $body, $params, $evaluate) { | |
| 24 | 24 | return $evaluate($body, env_extend($env, array_combine($params, $args))); | 
| 25 | 25 | }; | 
| 26 | 26 | } |