@@ -64,6 +64,6 @@ |
||
64 | 64 | function invert(callable $x): callable |
65 | 65 | { |
66 | 66 | return function ($y) use ($x): bool { |
67 | - return ! $x($y); |
|
67 | + return !$x($y); |
|
68 | 68 | }; |
69 | 69 | } |