From b3932c8fbedd6e576f01cf8e8a6f916c929d3452 Mon Sep 17 00:00:00 2001
From: David Mongeau-Petitpas <dmp@atelierfolklore.ca>
Date: Sun, 9 Aug 2015 19:00:05 -0400
Subject: [PATCH] Updated listOfType  validation to Traversable

---
 src/Executor/Executor.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Executor/Executor.php b/src/Executor/Executor.php
index 8f0b300..bb7459b 100644
--- a/src/Executor/Executor.php
+++ b/src/Executor/Executor.php
@@ -430,7 +430,7 @@ class Executor
         if ($fieldType instanceof ListOfType) {
             $itemType = $fieldType->getWrappedType();
             Utils::invariant(
-                is_array($result) || $result instanceof \ArrayAccess,
+                is_array($result) || $result instanceof \Traversable,
                 'User Error: expected iterable, but did not find one.'
             );