Rename CK classes to AS classes

AsyncDisplayKit/ASEqualityHashHelpers.mm

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (c) 2014-present, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+#import "ASEqualityHashHelpers.h"
+
+#import <functional>
+#import <objc/runtime.h>
+#import <stdio.h>
+#import <string>
+
+NSUInteger CKIntegerArrayHash(const NSUInteger *subhashes, NSUInteger count)
+{
+  uint64_t result = subhashes[0];
+  for (int ii = 1; ii < count; ++ii) {
+    result = CKHashCombine(result, subhashes[ii]);
+  }
+  return CKHash64ToNative(result);
+}
+