Swiftgram/Source/TextKit/ASEqualityHashHelpers.mm
2017-02-26 18:14:13 -08:00

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//
// ASEqualityHashHelpers.mm
// AsyncDisplayKit
//
// 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 <AsyncDisplayKit/ASEqualityHashHelpers.h>
NSUInteger ASIntegerArrayHash(const NSUInteger *subhashes, NSUInteger count)
{
uint64_t result = subhashes[0];
for (int ii = 1; ii < count; ++ii) {
result = ASHashCombine(result, subhashes[ii]);
}
return ASHash64ToNative(result);
}