Test compatibility patch for recent PHP versions

dakujem · dakujem · commit 23e57e05d56c · 2026-01-13T21:03:24.000+01:00
(removes deprecated warning)
diff --git a/tests/setup.php b/tests/setup.php
@@ -51,7 +51,7 @@ public static function reduce(
         return $carry;
     }
 
-    public static function visualize(TreeNodeContract $root, callable $iteratorDecorator = null):array
+    public static function visualize(TreeNodeContract $root, ?callable $iteratorDecorator = null):array
     {
         $it = new PreOrderTraversal($root, fn(
             TreeNodeContract $node,

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ public static function reduce(`
`51`	`51`	`return $carry;`
`52`	`52`	`}`
`53`	`53`
`54`		`- public static function visualize(TreeNodeContract $root, callable $iteratorDecorator = null):array`
	`54`	`+ public static function visualize(TreeNodeContract $root, ?callable $iteratorDecorator = null):array`
`55`	`55`	`{`
`56`	`56`	`$it = new PreOrderTraversal($root, fn(`
`57`	`57`	`TreeNodeContract $node,`