From b928e79cb5c00dd4da11923fec5ed0292d1104b2 Mon Sep 17 00:00:00 2001
From: Scott Goodson <scottgoodson@gmail.com>
Date: Wed, 5 Oct 2016 00:13:34 -0700
Subject: [PATCH] [ASDisplayNode] Optimize pendingDisplayNodes check using
 isEmpty (ASWeakSet).

---
 AsyncDisplayKit/ASDisplayNode.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
index fc46fbb1..d5d4bbca 100644
--- a/AsyncDisplayKit/ASDisplayNode.mm
+++ b/AsyncDisplayKit/ASDisplayNode.mm
@@ -2247,7 +2247,7 @@ static NSInteger incrementIfFound(NSInteger i) {
 
   [_pendingDisplayNodes removeObject:node];
 
-  if (_pendingDisplayNodes.count == 0) {
+  if (_pendingDisplayNodes.isEmpty) {
     [self hierarchyDisplayDidFinish];
     
     if (_placeholderLayer.superlayer && ![self placeholderShouldPersist]) {