From ae37940e55ee055bf18cc78515d89749fec440e9 Mon Sep 17 00:00:00 2001
From: Rob Lourens <roblourens@gmail.com>
Date: Wed, 7 Jun 2017 16:44:41 -0700
Subject: [PATCH] Fix error when getting completions in anon function closure
 'use'

---
 src/CompletionProvider.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/CompletionProvider.php b/src/CompletionProvider.php
index 74a8c6d..5457812 100644
--- a/src/CompletionProvider.php
+++ b/src/CompletionProvider.php
@@ -375,7 +375,8 @@ class CompletionProvider
                 }
             }
 
-            if ($level instanceof Node\Expression\AnonymousFunctionCreationExpression && $level->anonymousFunctionUseClause !== null) {
+            if ($level instanceof Node\Expression\AnonymousFunctionCreationExpression && $level->anonymousFunctionUseClause !== null &&
+                $level->anonymousFunctionUseClause->useVariableNameList !== null) {
                 foreach ($level->anonymousFunctionUseClause->useVariableNameList->getValues() as $use) {
                     $useName = $use->getName();
                     if (empty($namePrefix) || strpos($useName, $namePrefix) !== false) {