Small code style update.

drupol · drupol · commit 3b9b4f7f87f6 · 2018-12-30T10:17:27.000+01:00
diff --git a/src/Traverser/InOrder.php b/src/Traverser/InOrder.php
@@ -31,8 +31,7 @@ public function traverse(NodeInterface $node): \Traversable
      */
     private function doTraverse(NodeInterface $node): \Traversable
     {
-        $countChildren = $node->degree();
-        $middle = \floor($countChildren/2);
+        $middle = \floor($node->degree()/2);
 
         foreach ($node->children() as $key => $child) {
             if ((int) $key === (int) $middle) {

Original file line number	Diff line number	Diff line change
`@@ -31,8 +31,7 @@ public function traverse(NodeInterface $node): \Traversable`
`31`	`31`	`*/`
`32`	`32`	`private function doTraverse(NodeInterface $node): \Traversable`
`33`	`33`	`{`
`34`		`- $countChildren = $node->degree();`
`35`		`- $middle = \floor($countChildren/2);`
	`34`	`+ $middle = \floor($node->degree()/2);`
`36`	`35`
`37`	`36`	`foreach ($node->children() as $key => $child) {`
`38`	`37`	`if ((int) $key === (int) $middle) {`