From 5f1bc35195f153fdaf76f64e13715881397e4928 Mon Sep 17 00:00:00 2001
From: Matthew Brown <github@muglug.com>
Date: Fri, 17 Feb 2017 12:50:17 -0500
Subject: [PATCH] Check null before creating $range

I'm not sure this will have much of an effect, but every little helps...
---
 src/NodeVisitor/NodeAtPositionFinder.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/NodeVisitor/NodeAtPositionFinder.php b/src/NodeVisitor/NodeAtPositionFinder.php
index 521d940..14c4267 100644
--- a/src/NodeVisitor/NodeAtPositionFinder.php
+++ b/src/NodeVisitor/NodeAtPositionFinder.php
@@ -15,7 +15,7 @@ class NodeAtPositionFinder extends NodeVisitorAbstract
     /**
      * The node at the position, if found
      *
-     * @var Node
+     * @var Node|null
      */
     public $node;
 
@@ -34,9 +34,11 @@ class NodeAtPositionFinder extends NodeVisitorAbstract
 
     public function leaveNode(Node $node)
     {
-        $range = Range::fromNode($node);
-        if (!isset($this->node) && $range->includes($this->position)) {
-            $this->node = $node;
+        if ($this->node === null) {
+            $range = Range::fromNode($node);
+            if ($range->includes($this->position)) {
+                $this->node = $node;
+            }
         }
     }
 }